Question
$P(t)=60 t^{2}-t^{3}$$P^{\prime}(t)=120 t-3 t^{2}=900$$\Rightarrow t^{2}-40 t+300=0$$t=10,30$
Step 1
Step 1: First, we are given the function $P(t)=60 t^{2}-t^{3}$ and its derivative $P^{\prime}(t)=120 t-3 t^{2}$. Show more…
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