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Mathematics 14 Online
OpenStudy (anonymous):

A baseball player hits a ball toward the outfield. The height h of the ball in feet is modeled by h(t) = -16t^2 + 22t + 3, where t is the time in seconds. In addition, the function d(t) = 85t models the horizontal distance d traveled by the ball. If no one catches the ball, how long will it stay in the air?

OpenStudy (anonymous):

|dw:1375335653437:dw| you'll want to find the roots of the function h(t), otherwise said, the t values for which h(t) = 0. The biggest (latest) t value is the answer you're looking for. d(t) is not needed for answering this question since horizontal travel is independent of vertical travel

OpenStudy (ash2326):

@lissa_bug did you try to solve this?

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