Pretty lost on this. "Construct a polynomial function with the stated properties. Reduce all fractions to lowest terms.: Third-degree, with zeros of -2,-1, and 3, and passes through the poing (4,12)"
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Originally Posted by mankvill Pretty lost on this. "Construct a polynomial function with the stated properties. Reduce all fractions to lowest terms.: Third-degree, with zeros of -2,-1, and 3, and passes through the poing (4,12)" If $\displaystyle x = \alpha$ is a zero then $\displaystyle (x - \alpha)$ is a factor. So $\displaystyle y = k(x + 2)(x + 1)(x - 3)$. Now substitute (4, 12) and solve for k.
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