d²y #3. Find if x' + y' = 9 dx? |(-1,2)

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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Someone tried this earlier and got the incorrect answer so if someone could give it another shot I’d appreciate it. I attached the attempt at the solution.
d y
#3.
Find
if x? +y = 9
dx?
|(-1,2)
2
Transcribed Image Text:d y #3. Find if x? +y = 9 dx? |(-1,2) 2
diff.w.r.to →x we
get
2x+3y
2 X
Jx
3y2
again diff. w.nte we get
[
3 y2
y?1-
- x:2y
y 9
--
y+ 4 2
%3D
y 4
xb +h
dy
8+9
1).
12
%3D
32
32
4
%3D
Transcribed Image Text:diff.w.r.to →x we get 2x+3y 2 X Jx 3y2 again diff. w.nte we get [ 3 y2 y?1- - x:2y y 9 -- y+ 4 2 %3D y 4 xb +h dy 8+9 1). 12 %3D 32 32 4 %3D
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