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Let f : R to F, f (x) =x^(3)+ x ^(2) +3x...

Let `f : R to F, f (x) =x^(3)+ x ^(2) +3x+ sin x,` then f is :

A

one-one and onto

B

one-one and into

C

many one and onto

D

many one and into

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The correct Answer is:
A
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