14 Let j be the function given by f(x) = cos(2r) + In(3r) What is the least value of x at which the graph of f changes concavity? (A) 0.56 (B) 0.93 (C) 1.18 (D) 2.38 (E) 2.44

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.4: Logarithmic Functions
Problem 46E
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14
Let j be the function given by f(x) = cos(2r) + In(3r) What is the least value of x at which the
graph of f changes concavity?
(A) 0.56
(B) 0.93
(C) 1.18
(D) 2.38
(E) 2.44
Transcribed Image Text:14 Let j be the function given by f(x) = cos(2r) + In(3r) What is the least value of x at which the graph of f changes concavity? (A) 0.56 (B) 0.93 (C) 1.18 (D) 2.38 (E) 2.44
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