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Mathematics, 23.05.2020 06:02 praveen35301

An object is launched from a platform. Its height (in meters), x xx seconds after the launch, is modeled by: h ( x ) = − 5 ( x − 4 ) 2 + 180 h(x)=−5(x−4) 2 +180h, left parenthesis, x, right parenthesis, equals, minus, 5, left parenthesis, x, minus, 4, right parenthesis, squared, plus, 180 How many seconds after being launched will the object hit the ground?

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