# Math Help - profit

1. ## profit

The total profit from selling x units books is P(x) = (6x - 7) (9x - 8).
Find the marginal average profit function.

2. Originally Posted by ArmiAldi
The total profit from selling x units books is P(x) = (6x - 7) (9x - 8).
Find the marginal average profit function.
The marginal profit is the additional profit made by selling one additional book
and for your purposes may be taken to be:

$MP(x)=\frac{d}{dx}P(x)$

when the sales are $x$

RonL