1.

The function f : [0, 3] → [1, 29] defined by f(x) = 2x3 – 15x2 + 36x + 1 where x is an integer is

A. injective and surjective
B. surjective but not injective
C. injective but not surjective
D. neither injective nor surjective
Answer» C. injective but not surjective


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