Question

The total profit (in dollars) from the sale of x espresso machines is
P(x)=30x−0.7x^2−290
Evaluate the marginal profit at the following values:
(A) P'(200) =
(B) P'(350) =

Answer 1

differentiate P(x) and you re good to go

Answer 2

\[P'(x)=30-0.7(2)x\]

Answer 3

\[P'(x)=30-1.4x\]

Answer 4

from there do i just plug in the value of x right

Answer 5

\[P'(200)=30-1.4(200)\]

Answer 6

yeah same like this

Answer 7

ok thank you

Answer 8

yw