Common Core: High School - Functions : Building Functions

Study concepts, example questions & explanations for Common Core: High School - Functions

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All Common Core: High School - Functions Resources

6 Diagnostic Tests 82 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #4 : Compose Functions: Ccss.Math.Content.Hsf Bf.A.1c

There is an adjustable, cylindrical container in the science lab that is attached to a timer. The container holds a certain gas and the pressure of the gas in the container can be modeled by the function,

 

where  is the size of the container.

Every minute the timer adjusts the size of the container and is modeled by the function,

where  is in minutes.

Find an explicit expression that illustrates the amount of pressure of the gas in the container related to the time in minutes.

Possible Answers:

Correct answer:

Explanation:

This question is testing one's ability to compose functions that are modeled by real world situations. Questions like these require in-depth critical reasoning skills and the ability to identify the meaning of composition of functions as they relate to scenarios.

For the purpose of Common Core Standards, composed functions falls within the Cluster A of build a function that models a relationship between two quantities concept (CCSS.Math.content.HSF.BF.A). Questions in this cluster depend heavily of building an understanding between real life situations as seen through a mathematical perspective.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Step 2: Identify what is given/known from the question.

Step 3: Using algebraic methods creating function to describe relationship.

Step 4: Answer the question.

Following the steps listed above for this particular problem is as follows.

Step 1: Identify what the question is asking for.

The question is asking to find the composition of the two functions.

In other words, find .

Step 2: Identify what is given/known from the question.

The two functions are given in mathematical form.

Step 3: Using algebraic methods creating function to describe relationship.

To solve this problem, replace every  in the pressure function with the entire function .

Step 4: Answer the question.

The explicit expression that illustrates the amount of pressure of the gas in the container related to the time in minutes is,

Example Question #1 : Compose Functions: Ccss.Math.Content.Hsf Bf.A.1c

There is an adjustable, cylindrical container in the science lab that is attached to a timer. The container holds a certain gas and the pressure of the gas in the container can be modeled by the function,

 

where  is the size of the container.

Every minute the timer adjusts the size of the container and is modeled by the function,

where  is in minutes.

Find an explicit expression that illustrates the amount of pressure of the gas in the container related to the time in minutes.

Possible Answers:

Correct answer:

Explanation:

This question is testing one's ability to compose functions that are modeled by real world situations. Questions like these require in-depth critical reasoning skills and the ability to identify the meaning of composition of functions as they relate to scenarios.

For the purpose of Common Core Standards, composed functions falls within the Cluster A of build a function that models a relationship between two quantities concept (CCSS.Math.content.HSF.BF.A). Questions in this cluster depend heavily of building an understanding between real life situations as seen through a mathematical perspective.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Step 2: Identify what is given/known from the question.

Step 3: Using algebraic methods creating function to describe relationship.

Step 4: Answer the question.

Following the steps listed above for this particular problem is as follows.

Step 1: Identify what the question is asking for.

The question is asking to find the composition of the two functions.

In other words, find .

Step 2: Identify what is given/known from the question.

The two functions are given in mathematical form.

Step 3: Using algebraic methods creating function to describe relationship.

To solve this problem, replace every  in the pressure function with the entire function .

Step 4: Answer the question.

The explicit expression that illustrates the amount of pressure of the gas in the container related to the time in minutes is,

Example Question #3 : Compose Functions: Ccss.Math.Content.Hsf Bf.A.1c

There is an adjustable, cylindrical container in the science lab that is attached to a timer. The container holds a certain gas and the pressure of the gas in the container can be modeled by the function,

 

where  is the size of the container.

Every minute the timer adjusts the size of the container and is modeled by the function,

where  is in minutes.

Find an explicit expression that illustrates the amount of pressure of the gas in the container related to the time in minutes.

Possible Answers:

Correct answer:

Explanation:

This question is testing one's ability to compose functions that are modeled by real world situations. Questions like these require in-depth critical reasoning skills and the ability to identify the meaning of composition of functions as they relate to scenarios.

For the purpose of Common Core Standards, composed functions falls within the Cluster A of build a function that models a relationship between two quantities concept (CCSS.Math.content.HSF.BF.A). Questions in this cluster depend heavily of building an understanding between real life situations as seen through a mathematical perspective.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Step 2: Identify what is given/known from the question.

Step 3: Using algebraic methods creating function to describe relationship.

Step 4: Answer the question.

Following the steps listed above for this particular problem is as follows.

Step 1: Identify what the question is asking for.

The question is asking to find the composition of the two functions.

In other words, find .

Step 2: Identify what is given/known from the question.

The two functions are given in mathematical form.

Step 3: Using algebraic methods creating function to describe relationship.

To solve this problem, replace every  in the pressure function with the entire function .

Step 4: Answer the question.

The explicit expression that illustrates the amount of pressure of the gas in the container related to the time in minutes is,

Example Question #4 : Compose Functions: Ccss.Math.Content.Hsf Bf.A.1c

There is an adjustable, cylindrical container in the science lab that is attached to a timer. The container holds a certain gas and the pressure of the gas in the container can be modeled by the function,

 

where  is the size of the container.

Every minute the timer adjusts the size of the container and is modeled by the function,

where  is in minutes.

Find an explicit expression that illustrates the amount of pressure of the gas in the container related to the time in minutes.

Possible Answers:

Correct answer:

Explanation:

This question is testing one's ability to compose functions that are modeled by real world situations. Questions like these require in-depth critical reasoning skills and the ability to identify the meaning of composition of functions as they relate to scenarios.

For the purpose of Common Core Standards, composed functions falls within the Cluster A of build a function that models a relationship between two quantities concept (CCSS.Math.content.HSF.BF.A). Questions in this cluster depend heavily of building an understanding between real life situations as seen through a mathematical perspective.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Step 2: Identify what is given/known from the question.

Step 3: Using algebraic methods creating function to describe relationship.

Step 4: Answer the question.

Following the steps listed above for this particular problem is as follows.

Step 1: Identify what the question is asking for.

The question is asking to find the composition of the two functions.

In other words, find .

Step 2: Identify what is given/known from the question.

The two functions are given in mathematical form.

Step 3: Using algebraic methods creating function to describe relationship.

To solve this problem, replace every  in the pressure function with the entire function .

Step 4: Answer the question.

The explicit expression that illustrates the amount of pressure of the gas in the container related to the time in minutes is,

Example Question #31 : Building Functions

There is an adjustable, cylindrical container in the science lab that is attached to a timer. The container holds a certain gas and the pressure of the gas in the container can be modeled by the function,

 

where  is the size of the container.

Every minute the timer adjusts the size of the container and is modeled by the function,

where  is in minutes.

Find an explicit expression that illustrates the amount of pressure of the gas in the container related to the time in minutes.

Possible Answers:

Correct answer:

Explanation:

This question is testing one's ability to compose functions that are modeled by real world situations. Questions like these require in-depth critical reasoning skills and the ability to identify the meaning of composition of functions as they relate to scenarios.

For the purpose of Common Core Standards, composed functions falls within the Cluster A of build a function that models a relationship between two quantities concept (CCSS.Math.content.HSF.BF.A). Questions in this cluster depend heavily of building an understanding between real life situations as seen through a mathematical perspective.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Step 2: Identify what is given/known from the question.

Step 3: Using algebraic methods creating function to describe relationship.

Step 4: Answer the question.

Following the steps listed above for this particular problem is as follows.

Step 1: Identify what the question is asking for.

The question is asking to find the composition of the two functions.

In other words, find .

Step 2: Identify what is given/known from the question.

The two functions are given in mathematical form.

Step 3: Using algebraic methods creating function to describe relationship.

To solve this problem, replace every  in the pressure function with the entire function .

Step 4: Answer the question.

The explicit expression that illustrates the amount of pressure of the gas in the container related to the time in minutes is,

Example Question #31 : Building Functions

There is an adjustable, cylindrical container in the science lab that is attached to a timer. The container holds a certain gas and the pressure of the gas in the container can be modeled by the function,

 

where  is the size of the container.

Every minute the timer adjusts the size of the container and is modeled by the function,

where  is in minutes.

Find an explicit expression that illustrates the amount of pressure of the gas in the container related to the time in minutes.

Possible Answers:

Correct answer:

Explanation:

This question is testing one's ability to compose functions that are modeled by real world situations. Questions like these require in-depth critical reasoning skills and the ability to identify the meaning of composition of functions as they relate to scenarios.

For the purpose of Common Core Standards, composed functions falls within the Cluster A of build a function that models a relationship between two quantities concept (CCSS.Math.content.HSF.BF.A). Questions in this cluster depend heavily of building an understanding between real life situations as seen through a mathematical perspective.

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify what the question is asking for.

Step 2: Identify what is given/known from the question.

Step 3: Using algebraic methods creating function to describe relationship.

Step 4: Answer the question.

Following the steps listed above for this particular problem is as follows.

Step 1: Identify what the question is asking for.

The question is asking to find the composition of the two functions.

In other words, find .

Step 2: Identify what is given/known from the question.

The two functions are given in mathematical form.

Step 3: Using algebraic methods creating function to describe relationship.

To solve this problem, replace every  in the pressure function with the entire function .

Step 4: Answer the question.

The explicit expression that illustrates the amount of pressure of the gas in the container related to the time in minutes is,

Example Question #1 : Write, Model, And Translate Arithmetic And Geometric Sequences Recursively And Explicitly: Ccss.Math.Content.Hsf Bf.A.2

Write an explicit recursive function that describes the following sequence.

Possible Answers:

Correct answer:

Explanation:

This question is testing one's ability to identify and understand an arithmetic sequence and create the recursive function. Recall that for a function to be recursive, it depends on the previous term in the sequence. It is also important to recall that the difference in an arithmetic sequence is just a constant.

For the purpose of Common Core Standards, writing arithmetic and geometric recursive and explicit sequences, falls within the Cluster A of build a function that models a relationship between two quantities concept (CCSS.Math.content.HSF.BF.A). 

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify the arithmetic difference of the sequence.

Step 2: Identify the basic form for an arithmetic recursive sequence.

where 

Step 3: Substitute known values into the form from Step 2.

Following the steps from above for this particular problem is as follows.

Step 1: Identify the arithmetic difference of the sequence.

Step 2: Identify the basic form for an arithmetic recursive sequence.

where 

Step 3: Substitute known values into the form from Step 2.

 

Example Question #1 : Write, Model, And Translate Arithmetic And Geometric Sequences Recursively And Explicitly: Ccss.Math.Content.Hsf Bf.A.2

Write an explicit recursive function that describes the following sequence.

Possible Answers:

Correct answer:

Explanation:

This question is testing one's ability to identify and understand an arithmetic sequence and create the recursive function. Recall that for a function to be recursive, it depends on the previous term in the sequence. It is also important to recall that the difference in an arithmetic sequence is just a constant.

For the purpose of Common Core Standards, writing arithmetic and geometric recursive and explicit sequences, falls within the Cluster A of build a function that models a relationship between two quantities concept (CCSS.Math.content.HSF.BF.A). 

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify the arithmetic difference of the sequence.

Step 2: Identify the basic form for an arithmetic recursive sequence.

where 

Step 3: Substitute known values into the form from Step 2.

Following the steps from above for this particular problem is as follows.

Step 1: Identify the arithmetic difference of the sequence.

Step 2: Identify the basic form for an arithmetic recursive sequence.

where 

Step 3: Substitute known values into the form from Step 2.

Example Question #31 : Building Functions

Write an explicit recursive function that describes the following sequence.

Possible Answers:

Correct answer:

Explanation:

This question is testing one's ability to identify and understand an arithmetic sequence and create the recursive function. Recall that for a function to be recursive, it depends on the previous term in the sequence. It is also important to recall that the difference in an arithmetic sequence is just a constant.

For the purpose of Common Core Standards, writing arithmetic and geometric recursive and explicit sequences, falls within the Cluster A of build a function that models a relationship between two quantities concept (CCSS.Math.content.HSF.BF.A). 

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify the arithmetic difference of the sequence.

Step 2: Identify the basic form for an arithmetic recursive sequence.

where 

Step 3: Substitute known values into the form from Step 2.

Following the steps from above for this particular problem is as follows.

Step 1: Identify the arithmetic difference of the sequence.

Step 2: Identify the basic form for an arithmetic recursive sequence.

where 

Step 3: Substitute known values into the form from Step 2.

Example Question #1 : Write, Model, And Translate Arithmetic And Geometric Sequences Recursively And Explicitly: Ccss.Math.Content.Hsf Bf.A.2

Write an explicit recursive function that describes the following sequence.

Possible Answers:

Correct answer:

Explanation:

This question is testing one's ability to identify and understand an arithmetic sequence and create the recursive function. Recall that for a function to be recursive, it depends on the previous term in the sequence. It is also important to recall that the difference in an arithmetic sequence is just a constant.

For the purpose of Common Core Standards, writing arithmetic and geometric recursive and explicit sequences, falls within the Cluster A of build a function that models a relationship between two quantities concept (CCSS.Math.content.HSF.BF.A). 

Knowing the standard and the concept for which it relates to, we can now do the step-by-step process to solve the problem in question.

Step 1: Identify the arithmetic difference of the sequence.

Step 2: Identify the basic form for an arithmetic recursive sequence.

where 

Step 3: Substitute known values into the form from Step 2.

Following the steps from above for this particular problem is as follows.

Step 1: Identify the arithmetic difference of the sequence.

Step 2: Identify the basic form for an arithmetic recursive sequence.

where 

Step 3: Substitute known values into the form from Step 2.

All Common Core: High School - Functions Resources

6 Diagnostic Tests 82 Practice Tests Question of the Day Flashcards Learn by Concept
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