4 find f'(x). 6. If f(x) = 5 + - Find f'(5).

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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4
find f'(x).
x?
If f(x) = 5 +
Find f'(5).
Transcribed Image Text:4 find f'(x). x? If f(x) = 5 + Find f'(5).
Expert Solution
Step :1

f(x)= 5 + 6x + 4x2f(x)= 5 + 6 x-1 + 4x-2diff. wrt x :We know that : ddxxn = n xn-1f'(x) = 0 + 6(-1)x-2 + 4 (-2) x-3 f'(x) = -6x2 - 8x3

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