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October 22, 2014

Homework Help: math-calculus

Posted by Shreya on Tuesday, January 17, 2012 at 7:42pm.

for which of following functions is graphof y = |f(x)| identical to graph of y = f(x)?

A. f(x) = 2x
B. f(x) = -2x
C. f(x) = 2x^2
D. f(x) = -2x^2

i real not get this.

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