please show work

Consider the following function. g(x) = x3 - 4 Find its average rate of change over the interval [-2, 2]. Ay Ax Compare this rate with the instantaneous rates of change at the endpoints of the interval. g '(-2) = g ' (2 ) =Find the marginal profit for producing x units. (The profit is measured in dollars.) pP=-0.15x% + 3,000x 1,450,000 = |:| dollars per unit dx