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26 November, 04:00

Suppose that the polynomial function A (x) = - 0.0082x2 + 0.06x approximates a person's blood-alcohol level x hours after drinking 5 ounces of 80-proof whiskey. What is the person's blood-alcohol level after 3 hours?

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  1. 26 November, 07:54
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    Given that the blood-acohol level at time x is given by A (x) = - 0.0082x²+0.06x. The blood-alcohol after 3 hours for a person who has drunk 5 ounces pf 80-proof whiskey will be:

    A (3) = - 0.0082 (3) ²+0.06 (3)

    A (3) = - 0.0738+0.18

    A (3) = 0.1062

    the amount of blood-alcohol after 3 hours will be 0.1062
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