Which set of ordered pairs is made up of points on the graph of the function below? y = 21 – 6

Answers
OA. (-1,-8), (0,-6), (1,-4), (2,-2)
OB. (8,-1), (6,0), (4,1), (2,2)
OC. (-1,8), (0,6), (1,4), (2,2)
OD. (-8,-1), (-6,0), (-4,1), (-2,2)

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: