Which of the following functions represent exponential decay?
Ax) = 3(1.7)*-?
fx) - 3(1.7)-2
Ax) = 3*)
Of Ax) = 3' (2)*
DONE

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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answer: can you show the options ?

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