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The function f: [0,3] rarr [1,29] given ...

The function `f: [0,3] rarr [1,29]` given by`f(x) = 2x^3 - 15x^2 + 36 x + 1` is

A

(1). one-one and onto

B

(2). onto but not one-one

C

(3). one-one but not onto

D

(4). neither one-one nor onto

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