Your monthly profit (in dollars) from selling magazines is given by
P = 4x + √(6x + 10),
where x is the number of magazines you sell in a month. If you are currently selling 40 magazines per month, find your profit and your marginal profit, in dollars.
current profit $ ________
marginal profit $ ________
Interpret your answers.
The current profit is $ ________ per month, and this would increase by $ ________ per additional magazine in sales.