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Definition of Functions

Question

The range of the function $f (x) = 3 x^{4} - 4 x^{3} - 12 x^{2} + 1$ is
$(3, \infty)$
$(- 31, \infty)$
$(31, \infty)$
$(- 3, \infty)$

A

(31, \infty)

B

(- 31, \infty)

C

(3, \infty)

D

(- 3, \infty)

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