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Let f, g : R rarrR be two functions defi...

Let f, g : `R rarrR` be two functions defined as `f(x) = |x| + x and g(x) = | x| - x AA x in R.` . Then (fog ) (x) for `x lt 0` is

A

0

B

4x

C

`-4x`

D

2x

Text Solution

Verified by Experts

The correct Answer is:
C
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