Let 7 sin x + 7 cos y = 5. dy dx d'y dx² 5 cos x 7 sin y 0

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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Let 7 sin x + 7 cos y = 5.
dy
dx
ď²y
dx²
5 cos x
7 sin y
=
-0
Transcribed Image Text:Let 7 sin x + 7 cos y = 5. dy dx ď²y dx² 5 cos x 7 sin y = -0
If 81 + ƒ(x) + 5x²(ƒ(x))³ = 0 and ƒ(−4) = −1, find ƒ'(–4).
ƒ'(−4) =
= 20
Transcribed Image Text:If 81 + ƒ(x) + 5x²(ƒ(x))³ = 0 and ƒ(−4) = −1, find ƒ'(–4). ƒ'(−4) = = 20
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