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If f: R rarrR defined by f(x)=2x+|x| the...

If `f: R rarrR` defined by `f(x)=2x+|x|` then `f(3x)-f(-x)-4x=`

A

`f(x)`

B

`-f(x)`

C

`f(-x)`

D

`2f(x)`

Text Solution

Verified by Experts

The correct Answer is:
D
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