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A ball is thrown directly upward. Its height (in feet) after t seconds is given...

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Calculus

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A ball is thrown directly upward. Its height (in feet) after t seconds is given byy = 80t - 16t^2, for t ? 0.19) ________What is the maximum height in feet attained by the ball?A. 5C. 7B. 6D. None of these20) ______At what time in seconds does the maximum height occur?A. 0.5C. 2.5B. 1.5D. None of these

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