What does x represent?
A special CD is manufactured and its manufacturing costs is given by the equation C(x) = 0.08x^2 + 0.2x + 3200. If the price function is given by the equation p(x) = 33 - 0.02x, determine the price that should be charged
a) to maximize profits
Now I don't know what to do. . .? I can't seem to find the zeros of the first derivative. . .
You differentiated wrong...I'll help you through this.
Setting equal to zero, we get:
(I multiplied through by )
I would recommend using your calculator to find the values of x
I get .
This doesn't seem right. Did you used the correct formula for revenue? Shouldn't it be ??
When , I get CDs.
This is more reasonable.