9. An equation of the line normal to the graph of f(x)=, at (1,–1) is (a) 2x - y -3 -0 (b) 2x + y +1-0 (c) x-2y+3=-0 (d) x+2y +1=0 (e) x-2y -3 =0 X-2

College Algebra
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ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.3: Lines
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Practice problem: one of the options is right- find which one of the options given is right.

9. An equation of the line normal to the graph of f(x) =, at (1,-1) is
x-2
(a) 2x- y-3=0 (b) 2x+ y+1=0 (c) x-2y+3=0 (d) x+2y+1=0 (e) x-2y -3=0
Transcribed Image Text:9. An equation of the line normal to the graph of f(x) =, at (1,-1) is x-2 (a) 2x- y-3=0 (b) 2x+ y+1=0 (c) x-2y+3=0 (d) x+2y+1=0 (e) x-2y -3=0
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