(ii) Which of the following types of graph represents $p(t)$?

[IMAGE_1]

Question

(ii) Which of the following types of graph represents $p(t)$?

[IMAGE_1]

Accepted Answer

Step 1: Since the coefficient of $t^2$ is $-16$ (negative), the parabola opens downward with zeroes at $t = 0$ and $t = \frac{5}{4}$. This matches graph (a).

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