Using the definition, caleuhate the derivative of the following function. f (x) = 4-x²

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.4: Average Rate Of Change Of A Function
Problem 2E
Question
Q1: Using the definition, caleuhte the derivative of the followng function.
f (x) = 4-x²
Transcribed Image Text:Q1: Using the definition, caleuhte the derivative of the followng function. f (x) = 4-x²
Expert Solution
Step 1

Derivative:

A function is said to be derivable or differentiable if

limx0fx+x-fxx exists and this limit is denoted as f'x or dfdx.

D or ddx is called the differential operator.

Hence

f'x=limx0fx+x-fxx is called the derivative of fx.

The process of finding derivatives is called differentiation.

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