An object is launched from a platform. Its height (in meters), xxx seconds after the launch, is modeled by h(x)=-5(x+1)(x-9)h(x)=−5(x+1)(x−9)h, left parenthesis, x, right parenthesis, equals, minus, 5, left parenthesis, x, plus, 1, right parenthesis, left parenthesis, x, minus, 9, right parenthesis What is the height of the object at the time of launch?

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Answer:

What are the solutions of the equation 9x4 – 2x2 – 7 = 0? Use u substitution to solve

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Answer:

45 meters

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