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.

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first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation:

the answer is d

step-by-step explanation:

2,160 π

step-by-step explanation: