Calculus 2 : Finding Limits and One-Sided Limits

Study concepts, example questions & explanations for Calculus 2

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Example Questions

Example Question #71 : Finding Limits And One Sided Limits

Screen shot 2015 07 22 at 11.17.13 am

Given the above graph of , what is ?

Possible Answers:

Correct answer:

Explanation:

Examining the graph above, we need to look at three things:

1) What is the limit of the function as  approaches zero from the left?

2) What is the limit of the function as  approaches zero from the right?

3) What is the function value as  and is it the same as the result from statement one and two?

Thus, we can observe that    as  approaches  from the left and right.

Example Question #72 : Finding Limits And One Sided Limits

Screen shot 2015 07 22 at 6.39.11 pm

Given the above graph of , what is ?

Possible Answers:

Does Not Exist

Correct answer:

Does Not Exist

Explanation:

Examining the graph above, we need to look at three things:

1) What is the limit of the function as  approaches zero from the left?

2) What is the limit of the function as  approaches zero from the right?

3) What is the function value as  and is it the same as the result from statement one and two?

Therefore, we can observe that  does not exist, as  approaches two different limits:  from the left and  from the right.

Example Question #73 : Finding Limits And One Sided Limits

Screen shot 2015 07 22 at 6.11.07 pm

Given the above graph of , what is ?

Possible Answers:

Correct answer:

Explanation:

Examining the graph, we want to find where the graph tends to as it approaches zero from the left hand side. We can see that there appears to be a vertical asymptote at zero. As the x values approach zero from the left, the function values of the graph tend towards positive infinity.

Thus, we can observe that  as  approaches  from the left.

Example Question #74 : Finding Limits And One Sided Limits

Screen shot 2015 07 22 at 6.29.34 pm

Given the above graph of , what is ?

Possible Answers:

Correct answer:

Explanation:

Examining the graph above, we need to look at three things:

1) What is the limit of the function as  approaches zero from the left?

2) What is the limit of the function as  approaches zero from the right?

3) What is the function value as  and is it the same as the result from statement one and two?

Therefore, we can observe that  as  approaches  from the left and from the right.

Example Question #75 : Finding Limits And One Sided Limits

Screen shot 2015 07 23 at 12.54.03 pm

Given the above graph of , what is ?

Possible Answers:

Does Not Exist 

Correct answer:

Does Not Exist 

Explanation:

Examining the graph above, we need to look at three things:

1) What is the limit of the function as  approaches zero from the left?

2) What is the limit of the function as  approaches zero from the right?

3) What is the function value as  and is it the same as the result from statement one and two?

Therefore, we can observe that does not exist, as  approaches two different limits:  from the left and  from the right.

Example Question #111 : Limits

Screen shot 2015 07 23 at 12.34.04 pm

Given the above graph of , what is ?

Possible Answers:

Correct answer:

Explanation:

Examining the graph, we want to find where the graph tends to as it approaches zero from the left hand side. We can see that there appears to be a vertical asymptote at zero. As the x values approach zero from the left, the function values of the graph tend towards negative infinity.

Thus, we can observe that  as  approaches  from the left.

Example Question #77 : Finding Limits And One Sided Limits

Screen shot 2015 07 23 at 12.46.54 pm

Given the above graph of , what is ?

Possible Answers:

Correct answer:

Explanation:

Examining the graph above, we need to look at three things:

1) What is the limit of the function as  approaches zero from the left?

2) What is the limit of the function as  approaches zero from the right?

Therefore, we can observe that  as  approaches  from the left and from the right.

Example Question #78 : Finding Limits And One Sided Limits

Screen shot 2015 07 23 at 6.35.43 pm

Given the above graph of , what is ?

Possible Answers:

Correct answer:

Explanation:

Examining the graph, we want to find where the graph tends to as it approaches zero from the right hand side. We can see that there appears to be a vertical asymptote at zero. As the x values approach zero from the right, the function values of the graph tend towards negative infinity.

Thus, we can observe that  as  approaches   from the right.

Example Question #79 : Finding Limits And One Sided Limits

Screen shot 2015 07 23 at 7.01.53 pm

Given the above graph of , what is ?

 

Possible Answers:

Correct answer:

Explanation:

Examining the graph above, we need to look at three things:

1) What is the limit of the function as  approaches zero from the left?

2) What is the limit of the function as  approaches zero from the right?

3) What is the function value as  and is it the same as the result from statement one and two?

Using these rules we can observe that  as  approaches   from the left and from the right.

Example Question #71 : Finding Limits And One Sided Limits

Screen shot 2015 07 23 at 7.11.38 pm

Given the above graph of , what is ?

Possible Answers:

Does Not Exist 

Correct answer:

Does Not Exist 

Explanation:

Examining the graph above, we need to look at three things:

1) What is the limit of the function as  approaches zero from the left?

2) What is the limit of the function as  approaches zero from the right?

3) What is the function value as  and is it the same as the result from statement one and two?

Using these rules, we can observe that does not exist, as  approaches two different limits:  from the left and  from the right.

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