Welcome :: Homework Help and Answers :: Mathskey.com

Q&A
Unanswered
Categories
Users
Ask a Question

Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

Q&A Categories
BASIC MATH (93)
PRE-ALGEBRA (441)
ALGEBRA 1 (2,220)
GEOMETRY (864)
ALGEBRA 2 (2,751)
TRIGONOMETRY (1,187)
PRECALCULUS (1,903)
CALCULUS (2,802)
STATISTICS (129)
PHYSICS (659)
CHEMISTRY (137)
MECHANICAL ENGINEERING (64)
ELECTRICAL ENGINEERING (207)
Winplot Tutorials (2)

Most popular tags

solving-equations system-of-equations functions math slope-intercept-form physics homework-help trigonometric-identities integration limits substitution-method calculus

13,459 questions

17,854 answers

1,446 comments

805,771 users

find f'(x) from first principles, that is, directly from the definition of derivative f(x) = (4-x)/(3+x)

0 votes

how would you solve this step by step?

derivative-of-the-function
first-principal-of-dervatives

asked Aug 25, 2015 in CALCULUS by anonymous

Share this question

Google+ Facebook Twitter LinkedIn Reddit

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 votes

The function is .

Find the derivative of the function using limit definition of derivatives.

Limit definition of derivative: .

.

Substitute and in limit definition of derivative.

.

.

answered Aug 25, 2015 by Sammi Mentor

Please log in or register to add a comment.

Related questions

Let f(x)= 6x^2, find fprime(3) using the limit definition of the derivative.

asked Feb 12, 2015 in CALCULUS by anonymous

derivative-of-the-function
tangent

Find the derivative for this function. 4/(sqrt(1-x)) using f(a+h)-f(a)/h .?

asked Feb 12, 2015 in CALCULUS by anonymous

derivative-of-the-function

Find the derivative of the function. y = 4^(4-x^2)?

asked Aug 22, 2015 in CALCULUS by anonymous

derivative-of-the-function
calculus

Find an equation of the tangent line to the graph of the function at the given point. (x+1/x-1)^2 (3,4)?

asked Feb 9, 2015 in CALCULUS by anonymous

derivative-of-the-function
tangent

use the definition of derivative to show that f(x) is not differentiable at x=0

asked Sep 13, 2014 in CALCULUS by anonymous

derivative
differentiable

Find the value of the derivative (if it exists) at the indicated extremum

asked Apr 18, 2017 in CALCULUS by anonymous

derivative-of-the-function

Find the derivative of the function.

asked Jan 31, 2015 in CALCULUS by anonymous

derivative-of-the-function

Find the derivative of the function.

asked Jan 29, 2015 in CALCULUS by anonymous

derivative-of-the-function

Find the derivative of the function.

asked Jan 29, 2015 in CALCULUS by anonymous

derivative-of-the-function

Find the derivative of the function.

asked Jan 23, 2015 in CALCULUS by anonymous

definite-integral
derivative-of-the-function

Find the value of the derivative (if it exists) at the indicated extremum.

asked Jan 22, 2015 in CALCULUS by anonymous

derivative-of-the-function
extrema

Find the derivative of the function.

asked Jan 22, 2015 in CALCULUS by anonymous

derivative-of-the-function

Use a graphing utility to find the derivative of the function at the given point

asked Jan 22, 2015 in CALCULUS by anonymous

tangent
derivative-of-the-function
graph

find the derivative using limit definition f(x)=7x^5-5x^3

asked Nov 30, 2013 in CALCULUS by futai Scholar

derivative-of-a-function

Find an equation of the tangent line to the graph of f at the given point

asked Jan 29, 2015 in CALCULUS by anonymous

derivative-of-the-function
tangent

Find an equation of the tangent line to the graph of f at the given point

asked Jan 22, 2015 in CALCULUS by anonymous

tangent
derivative-of-the-function

Show the anti derivative and the derivative of the given graph.?

asked Feb 11, 2015 in CALCULUS by anonymous

derivative-of-the-function
inflection-points

Suppose the derivative of a function f is f '(x) = (x + 1)^2 (x - 3)^5 (x - 6)^4.

asked Jan 22, 2015 in CALCULUS by anonymous

increasing-interval
derivative

Use the definition to find an expression for the area under the graph of f as a limit 1 ≤ x ≤ 3

asked Jul 21, 2019 in CALCULUS by TremaineLuke Rookie

find-expression

Parital Derivative

asked Jun 15, 2017 in CALCULUS by anonymous

derivative-of-the-function

Copyright © 2024 MATHSKEY. All Rights Reserved. Sitemap|Terms Of Use|Disclaimer|Contact Us|FAQ

...