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Mathematics, 30.01.2020 10:04 badgirl2005

An object is launched upward at 45 ft/sec from a platform that is 40 feet high. what is the objects maximum height if the equation of height (h) in terms of time (t) of the object is given by h(t) = -16t2 + 45t + 40?

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An object is launched upward at 45 ft/sec from a platform that is 40 feet high. what is the objects...
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