Question: 7 . (8 points) A stone is thrown upward from the top of a building. Its height (in feet) above the ground after t seconds

7 . (8 points) A stone is thrown upward from the

7 . (8 points) A stone is thrown upward from the top of a building. Its height (in feet) above the ground after t seconds is given by h(x) = -16x2 + 65x + 150. Round to three decimals. a.) How long will it take for the stone to reach its maximum height? b.) What is the maximum height that the stone reaches? c.) When does the stone hit the ground? d.) When is the stone 15 feet above the ground? 8. (6 points) Use the given zero to find the remaining zeros of the function. f(x) =2x4-5x3+13x2 -20x +20 given zero: 2i

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