Answer
a)H'(58)=dc/dt= dollars/F
H'(58) gives the rate of change of the total cost to heat the building in dollars per F when the outside temperature is 58F
b) H'(58) should be negative because as temperature increases, the cost to heat should decrease.
Work Step by Step
a)H'(58)=dc/dt= dollars/F
H'(58) gives the rate of change of the total cost to heat the building in dollars per F when the outside temperature is 58F
b) H'(58) should be negative because as temperature increases, the cost to heat should decrease.