Due Aug $31,202511$:$59PM.$

Attempt $1$: $10$ attempts remaining.

The total profit $(in$ dollars$)$ from the sale $ofx$ espresso machines $is$

$P(x)=40x-0\mathrm{.}1x^2-250.$

Evaluate the rate $of$ change $of$ the profit $at$ the following values:

$(A)P^{\text{'}}(200)=$

$(B)P^{\text{'}}(350)=$