Let the function f: R to R be defined by...

Let the function `f: R to R` be defined by `f(x) = 2x + sinx` for `x in R`, then f is

A

one-to-one and onto

B

one-to-one but not onto

C

onto but not-to-one

D

neither one-to-one nor onto

Verified by Experts

The correct Answer is:

A

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