P(x)= 60x-0.7x^2-240
Evaluate the marginal profit at the following values:
(A) P’(200)=
(B)P’(350)=
I tried to plug in but got the wrong answers….
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Tags: dollars, espresso, from, machines, Profit, sale, total
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May 14th, 2010 at 1:16 am
P(x) = 60x – 0.7x^2 – 240
Take the derivative.
P’(x) = 60 – 0.7(2)x
P’(x) = 60 – 1.4x
Now plug in your values.
P’(200) = 60 -1.4(200) = 60-280 = -220
P’(350) = 60 -1.4(350) = 60-490 = -430