A) At a particular gas station, the cost of a gallon of gas, in dollars, is a function of its octane. Explain the meaning of f(87). b) When John is driving to school, the distance traveled, in miles, is a function of time, in minutes. Explain the meaning of s(26).
a) Choose the correct answer below.
A.
f(87) is f times 87-octane gasoline.
B.
87 is the cost, in dollars, of one gallon of f(87)-octane gasoline.
C.
f(87) is f times the cost of a gallon of gas, in dollars.
D.
f(87) is the cost, in dollars, of one gallon of 87-octane gasoline.