If k is one of the roots of x+4k-20/x=0, determine the possible values of k.

The fact that British sailors drank a lot of lime juice resulted in А the expression "an apple a day keeps the doctor away.". B. the sailors being called Limeys. C doctors learning that limes prevent scurvy. D limes being called "watery Brits."​

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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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