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If f(x)=x^2 and g(x)=2x, then...

If `f(x)=x^2 and g(x)=2x`, then

A

`g@f=f+f`

B

`g@f=g+g`

C

`f @ g=g+g`

D

`f@g=f+f`

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The correct Answer is:
A
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