In Exercise, a supply function s is given. A supply function gives the price s(x) at which...

In Exercise, a supply function s is given. A supply function gives the price s(x) at which exactly x units of a product is supplied. Its derivative s′(x) gives the instantaneous rate of change in the price of the product at supply level x.

Macroeconomics—Supply Function: The Farver Company has determined that the supply function for their new Healthy Day breakfast bar is given by

where x is the number of cases of breakfast bars supplied each month and s(x) represents the price per case. Evaluate s′(70) and interpret.