Let f - R rarr- R be defined by f-x- - 2x - -x- Then f-2x- - f- minus-x- minus- f-x- -a- 2x-b- 2-x-c- minus-2x-d- minus-2-x-

(b) 2|x| f(x) = 2x + |x| Then, f(2x) + f( minus;x) minus; f(x) =22x+2x+ 2x+ x #160; 2x+x=4x 2x 2x+2x+ x x=0+2x+x x=2x ...

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Absolute Value Function

Let f : R ...

Question

Let f : R → R be defined by f(x) = 2x + |x|. Then f(2x) + f(−x) − f(x) =

(a) 2x
(b) 2|x|
(c) −2x
(d) −2|x|

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