A store had 175 cell phones in the month of January. Every month, 10% of the cell phones were sold and 10 new cell phones were stocked in the store.
Which recursive function best represents the number of cell phones in the store f(n) after n months?
f(n) = 175 - 0.9 • f(n - 1) + 10, f(0) = 175, n > 0 f(n) = 0.1 • f(n - 1) + 10, f(0) = 175, n > 0 f(n) = 175 + 0.9 • f(n - 1) + 10, f(0) = 175, n > 0 f(n) = 0.9 • f(n - 1) + 10, f(0) = 175, n > 0

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@Thehulk49

@phi

10% of the cell phones were sold
if you sell 10% of the phones, what percent do you have left ?

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