Call Now to Set Up Tutoring:

(888) 888-0446

AP Calculus AB : Derivative at a point

Study concepts, example questions & explanations for AP Calculus AB

Create An Account

All AP Calculus AB Resources

3 Diagnostic Tests 164 Practice Tests Question of the Day Flashcards Learn by Concept

Example Questions

Example Question #81 : Derivative At A Point

$\begin{align*}&x&f(x)\\&1&32\\&5&38\\&9&49\\&13&-50\\&17&37\\&21&11\\&25&49\\&29&3\\&\text{Approximate a forward derivative at }x=13\end{align*}$

Possible Answers:

$\frac{87}{4}$

$-\frac{99}{4}$

$\frac{87}{8}$

$-\frac{25}{2}$

Correct answer:

$\frac{87}{4}$

Explanation:

$\begin{align*}&\text{To find a forward derivative approximation, we consider function}\\&\text{two values: one at the point of interest and another succeeding}\\&\text{it, and finally that distance between the two. Mathematically,}\\&\text{this follows the form:}\\&f'(x)=\frac{f(x+h)-f(x)}{h}\\&\text{Where h is the size of the increment between points on the x-axis.}\\&\text{In approximating a derivative, it is generally prudent to minimize}\\&\text{the distance between function values. In other words, it’s a}\\&\text{good idea to look at two adjacent points. For our problem, that’d}\\&\text{be:}\\&f(13)\text{ and }f(17)\\&\text{Applying the formula above, with }h=4\text{, we find:}\\&f'(13)\approx\frac{37-(37)}{4}\\&f'(13)\approx\frac{87}{4}\end{align*}$

Report an Error

Example Question #843 : Ap Calculus Ab

$\begin{align*}&x&f(x)\\&3&27\\&8&8\\&13&43\\&18&8\\&23&-49\\&28&-38\\&33&37\\&\text{Approximate a backward derivative at }x=33\end{align*}$

Possible Answers:

$-\frac{37}{5}$

$\frac{37}{5}$

Correct answer:

Explanation:

$\begin{align*}&\text{To find a backward derivative approximation, we consider function}\\&\text{two values: one at the point of interest and another preceding}\\&\text{it, and finally that distance between the two. Mathematically,}\\&\text{this follows the form:}\\&f'(x)=\frac{f(x)-f(x-h)}{h}\\&\text{Where h is the size of the increment between points on the x-axis.}\\&\text{In approximating a derivative, it is generally prudent to minimize}\\&\text{the distance between function values. In other words, it’s a}\\&\text{good idea to look at two adjacent points. For our problem, that’d}\\&\text{be:}\\&f(33)\text{ and }f(28)\\&\text{Applying the formula above, with }h=5\text{, we find:}\\&f'(33)\approx\frac{37-(-38)}{5}\\&f'(33)\approx15\end{align*}$

Report an Error

Example Question #844 : Ap Calculus Ab

$\begin{align*}&x&f(x)\\&-3&12\\&1&-14\\&5&-45\\&9&-1\\&13&-31\\&17&-38\\&\text{Approximate a backward derivative at }x=1\end{align*}$

Possible Answers:

$-\frac{13}{2}$

$-\frac{1}{2}$

$\frac{1}{2}$

$\frac{13}{2}$

Correct answer:

$-\frac{13}{2}$

Explanation:

$\begin{align*}&\text{To find a backward derivative approximation, we consider function}\\&\text{two values: one at the point of interest and another preceding}\\&\text{it, and finally that distance between the two. Mathematically,}\\&\text{this follows the form:}\\&f'(x)=\frac{f(x)-f(x-h)}{h}\\&\text{Where h is the size of the increment between points on the x-axis.}\\&\text{In approximating a derivative, it is generally prudent to minimize}\\&\text{the distance between function values. In other words, it’s a}\\&\text{good idea to look at two adjacent points. For our problem, that’d}\\&\text{be:}\\&f(1)\text{ and }f(-3)\\&\text{Applying the formula above, with }h=4\text{, we find:}\\&f'(1)\approx\frac{-14-(12)}{4}\\&f'(1)\approx-\frac{13}{2}\end{align*}$

Report an Error

Example Question #845 : Ap Calculus Ab

$\begin{align*}&x&f(x)\\&-2&4\\&2&20\\&6&0\\&\text{Approximate a backward derivative at }x=2\end{align*}$

Possible Answers:

Correct answer:

Explanation:

$\begin{align*}&\text{To find a backward derivative approximation, we consider function}\\&\text{two values: one at the point of interest and another preceding}\\&\text{it, and finally that distance between the two. Mathematically,}\\&\text{this follows the form:}\\&f'(x)=\frac{f(x)-f(x-h)}{h}\\&\text{Where h is the size of the increment between points on the x-axis.}\\&\text{In approximating a derivative, it is generally prudent to minimize}\\&\text{the distance between function values. In other words, it’s a}\\&\text{good idea to look at two adjacent points. For our problem, that’d}\\&\text{be:}\\&f(2)\text{ and }f(-2)\\&\text{Applying the formula above, with }h=4\text{, we find:}\\&f'(2)\approx\frac{20-(4)}{4}\\&f'(2)\approx4\end{align*}$

Report an Error

Example Question #846 : Ap Calculus Ab

$\begin{align*}&x&f(x)\\&3&-23\\&8&-29\\&13&7\\&18&14\\&23&-8\\&\text{Approximate a backward derivative at }x=23\end{align*}$

Possible Answers:

$\frac{6}{5}$

$-\frac{22}{5}$

$\frac{22}{5}$

$-\frac{6}{5}$

Correct answer:

$-\frac{22}{5}$

Explanation:

$\begin{align*}&\text{To find a backward derivative approximation, we consider function}\\&\text{two values: one at the point of interest and another preceding}\\&\text{it, and finally that distance between the two. Mathematically,}\\&\text{this follows the form:}\\&f'(x)=\frac{f(x)-f(x-h)}{h}\\&\text{Where h is the size of the increment between points on the x-axis.}\\&\text{In approximating a derivative, it is generally prudent to minimize}\\&\text{the distance between function values. In other words, it’s a}\\&\text{good idea to look at two adjacent points. For our problem, that’d}\\&\text{be:}\\&f(23)\text{ and }f(18)\\&\text{Applying the formula above, with }h=5\text{, we find:}\\&f'(23)\approx\frac{-8-(14)}{5}\\&f'(23)\approx-\frac{22}{5}\end{align*}$

Report an Error

Example Question #847 : Ap Calculus Ab

$\begin{align*}&x&f(x)\\&-2&12\\&-1&7\\&0&-45\\&\text{Using the above table, make a backward derivative approximation at }x=0\end{align*}$

Possible Answers:

Correct answer:

Explanation:

$\begin{align*}&\text{To find a backward derivative approximation, we consider function}\\&\text{two values: one at the point of interest and another preceding}\\&\text{it, and finally that distance between the two. Mathematically,}\\&\text{this follows the form:}\\&f'(x)=\frac{f(x)-f(x-h)}{h}\\&\text{Where h is the size of the increment between points on the x-axis.}\\&\text{In approximating a derivative, it is generally prudent to minimize}\\&\text{the distance between function values. In other words, it’s a}\\&\text{good idea to look at two adjacent points. For our problem, that’d}\\&\text{be:}\\&f(0)\text{ and }f(-1)\\&\text{Applying the formula above, with }h=1\text{, we find:}\\&f'(0)\approx\frac{-45-(7)}{1}\\&f'(0)\approx-52\end{align*}$

Report an Error

Example Question #81 : Derivative At A Point

$\begin{align*}&\text{Approximate a backward derivative at }x=8\\&\text{Using the following table:}\\&x&f(x)\\&3&49\\&8&36\\&13&29\end{align*}$

Possible Answers:

$-\frac{7}{5}$

$-\frac{13}{5}$

Correct answer:

$-\frac{13}{5}$

Explanation:

$\begin{align*}&\text{To find a backward derivative approximation, we consider function}\\&\text{two values: one at the point of interest and another preceding}\\&\text{it, and finally that distance between the two. Mathematically,}\\&\text{this follows the form:}\\&f'(x)=\frac{f(x)-f(x-h)}{h}\\&\text{Where h is the size of the increment between points on the x-axis.}\\&\text{In approximating a derivative, it is generally prudent to minimize}\\&\text{the distance between function values. In other words, it’s a}\\&\text{good idea to look at two adjacent points. For our problem, that’d}\\&\text{be:}\\&f(8)\text{ and }f(3)\\&\text{Applying the formula above, with }h=5\text{, we find:}\\&f'(8)\approx\frac{36-(49)}{5}\\&f'(8)\approx-\frac{13}{5}\end{align*}$

Report an Error

Example Question #82 : Derivative At A Point

$\begin{align*}&x&f(x)\\&3&-20\\&4&-21\\&5&-17\\&\text{Approximate a backward derivative at }x=5\end{align*}$

Possible Answers:

Correct answer:

Explanation:

$\begin{align*}&\text{To find a backward derivative approximation, we consider function}\\&\text{two values: one at the point of interest and another preceding}\\&\text{it, and finally that distance between the two. Mathematically,}\\&\text{this follows the form:}\\&f'(x)=\frac{f(x)-f(x-h)}{h}\\&\text{Where h is the size of the increment between points on the x-axis.}\\&\text{In approximating a derivative, it is generally prudent to minimize}\\&\text{the distance between function values. In other words, it’s a}\\&\text{good idea to look at two adjacent points. For our problem, that’d}\\&\text{be:}\\&f(5)\text{ and }f(4)\\&\text{Applying the formula above, with }h=1\text{, we find:}\\&f'(5)\approx\frac{-17-(-21)}{1}\\&f'(5)\approx4\end{align*}$

Report an Error

Example Question #83 : Derivative At A Point

$\begin{align*}&x&f(x)\\&2&-15\\&5&-5\\&8&-45\\&11&-33\\&14&16\\&17&-17\\&20&40\\&23&-39\\&\text{Using the above table, make a backward derivative approximation at }x=14\end{align*}$

Possible Answers:

$-\frac{17}{3}$

$-\frac{1}{3}$

$\frac{49}{3}$

Correct answer:

$\frac{49}{3}$

Explanation:

$\begin{align*}&\text{To find a backward derivative approximation, we consider function}\\&\text{two values: one at the point of interest and another preceding}\\&\text{it, and finally that distance between the two. Mathematically,}\\&\text{this follows the form:}\\&f'(x)=\frac{f(x)-f(x-h)}{h}\\&\text{Where h is the size of the increment between points on the x-axis.}\\&\text{In approximating a derivative, it is generally prudent to minimize}\\&\text{the distance between function values. In other words, it’s a}\\&\text{good idea to look at two adjacent points. For our problem, that’d}\\&\text{be:}\\&f(14)\text{ and }f(11)\\&\text{Applying the formula above, with }h=3\text{, we find:}\\&f'(14)\approx\frac{16-(-33)}{3}\\&f'(14)\approx\frac{49}{3}\end{align*}$

Report an Error

Example Question #84 : Derivative At A Point

$\begin{align*}&x&f(x)\\&-1&-4\\&1&27\\&3&32\\&5&-40\\&7&-33\\&9&-14\\&11&-45\\&13&2\\&\text{Approximate a backward derivative at }x=3\end{align*}$

Possible Answers:

$\frac{5}{2}$

$\frac{59}{2}$

Correct answer:

$\frac{5}{2}$

Explanation:

$\begin{align*}&\text{To find a backward derivative approximation, we consider function}\\&\text{two values: one at the point of interest and another preceding}\\&\text{it, and finally that distance between the two. Mathematically,}\\&\text{this follows the form:}\\&f'(x)=\frac{f(x)-f(x-h)}{h}\\&\text{Where h is the size of the increment between points on the x-axis.}\\&\text{In approximating a derivative, it is generally prudent to minimize}\\&\text{the distance between function values. In other words, it’s a}\\&\text{good idea to look at two adjacent points. For our problem, that’d}\\&\text{be:}\\&f(3)\text{ and }f(1)\\&\text{Applying the formula above, with }h=2\text{, we find:}\\&f'(3)\approx\frac{32-(27)}{2}\\&f'(3)\approx\frac{5}{2}\end{align*}$

Report an Error

View AP Calculus AB Tutors

Kimberly
Certified Tutor

Rhode Island College, Bachelor of Science, Mathematics. Rhode Island College, Master of Science, Mathematics.

View AP Calculus AB Tutors

Samuel
Certified Tutor

Edinboro University of Pennsylvania, Bachelor of Science, Mathematics.

View AP Calculus AB Tutors

Joel
Certified Tutor

Indiana University-Bloomington, Bachelor of Science, Economics.

All AP Calculus AB Resources

3 Diagnostic Tests 164 Practice Tests Question of the Day Flashcards Learn by Concept

Popular Subjects

Algebra Tutors in Chicago, Statistics Tutors in Houston, Statistics Tutors in New York City, Calculus Tutors in Dallas Fort Worth, Chemistry Tutors in Seattle, Math Tutors in San Francisco-Bay Area, English Tutors in Atlanta, Computer Science Tutors in Atlanta, ISEE Tutors in Dallas Fort Worth, Physics Tutors in Houston

Popular Courses & Classes

SAT Courses & Classes in Seattle, MCAT Courses & Classes in New York City, MCAT Courses & Classes in Phoenix, SAT Courses & Classes in Dallas Fort Worth, SSAT Courses & Classes in Chicago, SSAT Courses & Classes in Seattle, MCAT Courses & Classes in Chicago, GRE Courses & Classes in Dallas Fort Worth, SSAT Courses & Classes in New York City, GMAT Courses & Classes in Phoenix

Popular Test Prep

SAT Test Prep in New York City, GMAT Test Prep in Miami, GRE Test Prep in San Diego, ACT Test Prep in Houston, GRE Test Prep in Boston, SSAT Test Prep in Los Angeles, MCAT Test Prep in Houston, LSAT Test Prep in Philadelphia, GRE Test Prep in Dallas Fort Worth, LSAT Test Prep in Chicago

DMCA Complaint

If you believe that content available by means of the Website (as defined in our Terms of Service) infringes one or more of your copyrights, please notify us by providing a written notice (“Infringement Notice”) containing the information described below to the designated agent listed below. If Varsity Tutors takes action in response to an Infringement Notice, it will make a good faith attempt to contact the party that made such content available by means of the most recent email address, if any, provided by such party to Varsity Tutors.

Your Infringement Notice may be forwarded to the party that made the content available or to third parties such as ChillingEffects.org.

Please be advised that you will be liable for damages (including costs and attorneys’ fees) if you materially misrepresent that a product or activity is infringing your copyrights. Thus, if you are not sure content located on or linked-to by the Website infringes your copyright, you should consider first contacting an attorney.

Please follow these steps to file a notice:

You must include the following:

A physical or electronic signature of the copyright owner or a person authorized to act on their behalf; An identification of the copyright claimed to have been infringed; A description of the nature and exact location of the content that you claim to infringe your copyright, in \ sufficient detail to permit Varsity Tutors to find and positively identify that content; for example we require a link to the specific question (not just the name of the question) that contains the content and a description of which specific portion of the question – an image, a link, the text, etc – your complaint refers to; Your name, address, telephone number and email address; and A statement by you: (a) that you believe in good faith that the use of the content that you claim to infringe your copyright is not authorized by law, or by the copyright owner or such owner’s agent; (b) that all of the information contained in your Infringement Notice is accurate, and (c) under penalty of perjury, that you are either the copyright owner or a person authorized to act on their behalf.

Send your complaint to our designated agent at:

Charles Cohn Varsity Tutors LLC
101 S. Hanley Rd, Suite 300
St. Louis, MO 63105

Or fill out the form below:

Do not fill in this field

Contact Information

* Full legal name

Company name

* Phone number

* Email address

Address

* Address1

Address2

* City

* State

* Zipcode

* Country

Complaint Details

* URL of copyrighted work (where your original material is located)

* Please describe the copyrighted work so that it may be easily identified

I am the owner, or an agent authorized to act on behalf of the owner of an exclusive right that is allegedly infringed.

I have a good faith belief that the use of the material in the manner complained of is not authorized by the copyright owner, its agent, or the law.

This notification is accurate.

I acknowledge that there may be adverse legal consequences for making false or bad faith allegations of copyright infringement by using this process.

* Signature (your digital signature is legally binding)

HIGH SCHOOL

GRADUATE SCHOOL

K-8

Search 50+ Tests

math tutoring

science tutoring

foreign languages

elementary tutoring

other

Search 350+ Subjects

AP Calculus AB : Derivative at a point

Study concepts, example questions & explanations for AP Calculus AB

All AP Calculus AB Resources

Example Questions

Example Question #81 : Derivative At A Point

Example Question #843 : Ap Calculus Ab

Example Question #844 : Ap Calculus Ab

Example Question #845 : Ap Calculus Ab

Example Question #846 : Ap Calculus Ab

Example Question #847 : Ap Calculus Ab

Example Question #81 : Derivative At A Point

Example Question #82 : Derivative At A Point

Example Question #83 : Derivative At A Point

Example Question #84 : Derivative At A Point

All AP Calculus AB Resources

Report an issue with this question

DMCA Complaint

Contact Information

Address

Complaint Details

Email address:
Your name:
Feedback: