Your monthly profit (in dollars) from selling magazines is given by P = 2x + x where x is the number of magazines you sell in a month. If you are currently selling x = 50 magazines per month, find your profit and your marginal profit. (Round your answers to two decimal places.) profit $ marginal profit $ per additional magazine Interpret your answers. Your current profit is $ per month, and would increase at a rate of $ per additional magazine sold per month.

Question

Emery Watts

7 January, 17:52

+5

Answers (1)

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Elaina Diaz · Answer 1

To find marginal profit, take the derivative, then plug in 50.

Derivative = 4 + (7 / 2sqrt50)

(plug in 50)

to get 4.50