Find the tangent line for the level curve f(x,y) = 9x3y at the point (2,-8). a. -864x + 72y = -2304 b. 108x + 72y = -720 c. -864x + (-8)y = -1664 d. 108x + 72y = -360

Calculus: Early Transcendentals
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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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Find the tangent line for the level curve f(x,y) = 9x3y at the point (2,-8).

a.
-864x + 72y = -2304
b.
108x + 72y = -720
c.
-864x + (-8)y = -1664
d.
108x + 72y = -360
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