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If f(x)=2x-1, g(x)=(x+1)/(2), show that ...

If `f(x)=2x-1, g(x)=(x+1)/(2)`, show that `fog=gof=x`.

A

2x

B

x

C

`( 2x+1)/( 2)`

D

` (2x-1) /( 2) `

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The correct Answer is:
B
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