Use implicit differentiation to find y′ for the equation below and then evaluate y′ at the indicated point.   y2+4y+8x=​0; ​(−4​,4)   y′= y′  (−4,4)= ​(Simplify your​ answer.)     part 2    Use implicit differentiation to find y′ and then evaluate y′ at ​(−6​,−3​).   9xy+y−159=0   y′= y′(−6,−3)= ​(Simplify your​ answer.)

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
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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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Use implicit differentiation to find
y′
for the equation below and then evaluate
y′
at the indicated point.
 
y2+4y+8x=​0;
​(−4​,4)
 
y′=
y′  (−4,4)=
​(Simplify your​ answer.)
 
 
part 2 
 
Use implicit differentiation to find
y′
and then evaluate
y′
at
​(−6​,−3​).
 
9xy+y−159=0
 
y′=
y′(−6,−3)=
​(Simplify your​ answer.)
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