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Mathematics, 15.04.2020 20:40 kaylarae1930

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An icicle drips at a rate that can be represented by the function f(x) = βˆ’x2 + 9x βˆ’ 18, where 0 ≀ x ≀ 10 and x is the number of hours after the sun has risen. When f(x) is a negative number, the icicle is not dripping. Determine the values when the icicle starts and stops dripping.

x = βˆ’3 and x = 6
x = 3 and x = βˆ’6
x = 3 and x = 6
x = βˆ’3 and x = βˆ’6

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