dy given that r +y? – 5x + 8y = 7. dx (a) Find %3D dy NOTE: Differentiate both sides of the equation with respect to x, and then. solve for dx dy Do not substitute for y after solving for dx dy 2 x - 5 dx 2 (y+ 4) (b) At what points is the tangent line horizontal? vertical? The curve has a Choose one v tangent line when x =

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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the "choose one" options are vertical/horizontal. 

dy
(а) Find
given that x + y? – 5x +8y = 7.
d.x
%3D
dy
NOTE: Differentiate both sides of the equation with respect to x, and then. solve for
dx
dy
Do not substitute for y after solving for
dx
dy
2 x - 5
%3D
dx
2 (y + 4)
(b) At what points is the tangent line horizontal? vertical?
The curve has a Choose one ▼
tangent line when x =
The curve has a
Choose one ▼ tangent line when y =
Transcribed Image Text:dy (а) Find given that x + y? – 5x +8y = 7. d.x %3D dy NOTE: Differentiate both sides of the equation with respect to x, and then. solve for dx dy Do not substitute for y after solving for dx dy 2 x - 5 %3D dx 2 (y + 4) (b) At what points is the tangent line horizontal? vertical? The curve has a Choose one ▼ tangent line when x = The curve has a Choose one ▼ tangent line when y =
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