AP ICET 18 Sep 2021 Shift 1 Paper

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Question : 182 of 200

Marks: +1, -0

If

f: {R} \→{R}

is defined by

f(x)=2 x+|x |

then

f(2 x)-f(x)+f(-x)

is equal to

2x
-2|x|
2|x|
-2x

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