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Let f,g: RvecR be two functions defined ...

Let `f,g: RvecR` be two functions defined as `f(x)=|x|+x` and `g(x)=|x|-x` , for all `xRdot` Then find fog and gof.

Text Solution

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The correct Answer is:
`(fog)(x) = {{:(0", if",x ge 0),(-4x ",", x lt0):}`.
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