Homework Help: PreCalc

Posted by Anonymous on Thursday, September 2, 2010 at 2:34am.

In sixteen states and the District of Columbia, the legal blood-alcohol level is 0.08. Use the formula A(x) = -0.0082x2 + 0.06x to compute blood-alcohol levels as a function of x (the time in hours). When is the first time that a person can be arrested for drunken driving after drinking 5 ounces of 80-proof whiskey in those states?

1.6 or 1.8

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