3 Let y =(f(u) + 3x)² and u = x³ f'(4) = = -89 360 X 2x. If f(4) = 8 and dy dx = 19 when x = 2, find f'(4).

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...
Question
Let y =(f(u) + 3x)² and u = x³ - 2x. If f(4) = 8 and dy = 19 when x = 2, find f'(4).
dx
f'(4) =
-89
360
X
Transcribed Image Text:Let y =(f(u) + 3x)² and u = x³ - 2x. If f(4) = 8 and dy = 19 when x = 2, find f'(4). dx f'(4) = -89 360 X
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