For real x, let f(x)=x^(3)+5x+1, then...

For real x, let `f(x)=x^(3)+5x+1`, then

A

f is one-one but not onto R

B

f is onto R but one-one

C

f is one-one and onto R

D

f is neither one-one nor onto R

Verified by Experts

The correct Answer is:

C

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