If f(x) = x^3 + 3x^2 + 12x - 2 sin x, wh...

If `f(x) = x^3 + 3x^2 + 12x - 2 sin x,` where `f: R rarr R,` then (A) f(x) is many-one and onto (B) f(x) is one-one and onto(C) f(x) is one-one and into (D) f(x) is many-one and into

f(x) is many-one and onto

f(x) is one-one and onto

f(x) is one-one and into

f(x) is many-one and into

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