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The function f ( x ) = | cos ( x ) | is differentiable everywhere on the interval ( 0 , 5/4 ) except
The function f ( x ) = | cos ( x ) | is differentiable everywhere on the interval ( 0 , 5/4 ) except at which value of x?
A. x=1/8
B.x=1/4
C.x=1/2
D. x=3.4
E. x=1
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Elementary & Intermediate Algebra Functions And Authentic Applications (Subscription)
Authors: Jay Lehmann
3rd Edition
0134780264, 9780134780269
