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If f:Rto R be defined by f(x)=e^x" and "...

If `f:Rto R` be defined by `f(x)=e^x" and " g:R toR` be defined by `g(x)=x^2`. The mapping `g@f:RtoR` be defined by `(g@f)(x)=g[f(x)]Aax neR`, then

A

`g@f` is bijective but f is not injective

B

`g@f` is injective and g is injective

C

`g@f` is injective nut g is not bijective

D

`g@f` is injective and g is surjective

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The correct Answer is:
C
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