Jerry N.

# 9.7: The total cost​ (in dollars) of producing x food processors is ​C(x)=2500+70x−0.1x^2.

The total cost​ (in dollars) of producing x food processors is ​C(x)=2500+70x−0.1x^2.

​(A) Find the exact cost of producing the 71st food processor.

​(B) Use the marginal cost to approximate the cost of producing the 71st food processor.