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Single Variable Calculus

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Moderate

Determining the Constant of a Polynomial Function given a Zero

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SVCALC-YGLLLA

Let $f(x)=6x^3+9x^2+4x+k$ and suppose $-1.5$ is a zero of $f$. Find $k$.

A

$6$

B

$-\cfrac{3}{2}$

C

$4$

D

$-6$