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f(x)=-2x-2 cos x

f(x)=-2x-2 cos x

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.1: Inverse Functions
Problem 18E
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Determine the open intervals on which the graph of f(x)=-2x-2 cosx is concave downward or concave upward. 37 37 57 7n A) concave upward on ; concave downward 2 2)2' 2 2 2 57 3 57 on 2 2) 2' 2)* 2 5x 77 2'2 I 3T B) concave downward on ; concave upward 2 2 2 37 兀兀 3x 57 on 2 2 |2'2)' 2' 2 )** 57 77 C) concave upward on ; concave downward 4 4 4 4 4 5z 37 Зл 5л on 4 4 4 4. 4 4 37 5z 77 D) concave downward on ;concave upward 4 44 4 4 4 5T 3 5x on 4 4 4 4 377 5x 7x E) concave upward on concave downward 9. 6 6 377 3x 5x on
Transcribed Image Text:Determine the open intervals on which the graph of f(x)=-2x-2 cosx is concave downward or concave upward. 37 37 57 7n A) concave upward on ; concave downward 2 2)2' 2 2 2 57 3 57 on 2 2) 2' 2)* 2 5x 77 2'2 I 3T B) concave downward on ; concave upward 2 2 2 37 兀兀 3x 57 on 2 2 |2'2)' 2' 2 )** 57 77 C) concave upward on ; concave downward 4 4 4 4 4 5z 37 Зл 5л on 4 4 4 4. 4 4 37 5z 77 D) concave downward on ;concave upward 4 44 4 4 4 5T 3 5x on 4 4 4 4 377 5x 7x E) concave upward on concave downward 9. 6 6 377 3x 5x on
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