Q18

MSQ1 mark

Let

\qquad f(x)=x^{3}+15 x^{2}-33 x-36

be a real-valued function. Which of the following statements is/are $\text{TRUE}?$

(A)

$f(x)$ does not have a local maximum.

(B)

$f(x)$ has a local maximum.

(C)

$f(x)$ does not have a local minimum.

(D)

$f(x)$ has a local minimum.

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