PLEASE SOME1 HELP!! what is the max production level of material for profit? the answer is 80 m but how?

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profit= revenue-cost.
P=16x-0.03x^2-[100+8x-0.1x^2+0.001x^3

2007-01-08 13:44:32 · 2 answers · asked by pugbunny_ash 1 in Science & Mathematics ➔ Mathematics

16x-0.03x^2
- [100+8x-0.1x^2+0.001x^3]

2007-01-08 14:09:52 · update #1

You will get max profit when dP/dx=0
dP/dx = 16-0.06x-8+0.2x-.003x^2
dP/dx = 8+0.14x-0.003x^2 = 0
3x^2-140x-8000=0
(x-80)(3x+100) = 0
we get x=80

2007-01-10 19:36:07 · answer #1 · answered by Harry 3 · 0⤊ 0⤋

The end of your question got cut off.

2007-01-08 22:06:58 · answer #2 · answered by Jim Burnell 6 · 0⤊ 0⤋