Homework Help: algebra

Posted by Nabil on Tuesday, October 11, 2011 at 7:43am.

Company makes tire rims. Estimates the the profit, P, of selling x tire rims is given by: P= -0.01x^2 + 8x + 1500

Plugging in 1000 for P and solving, I get 400. Is that correct?

b) find the number of rims that must be sold to maximize profit.

plugging in 400 for x, I get $3100.

Did I set up and solve these two correctly? thank you for your time.

algebra - Steve, Tuesday, October 11, 2011 at 10:02am
Looks good to me

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