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Mathematics 7 Online
OpenStudy (anonymous):

the owner of a video store has determined that the profits P of the store are approximately given by P(x)=-x^2+9-x+68, where x is the number of videos rented daily. Find the maximum profit to the nearest dollar. Can anyone help? I'm dumb.

OpenStudy (anonymous):

correction, 90x

OpenStudy (amistre64):

what do you know about quadratics?

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