In a lab, 820 cells are present at the beginning of an experiment. During the first 6 hours, giving the number of cells y present t hours after starting the experiment. Estimate the time when the number of cells is 700, to the nearest hour.
after 5 hours
after 3 hours
after 2 hours
after 4 hours

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:

step-by-step explanation:

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the answer will be b x² +x-1

step-by-step explanation: