A hovercraft takes off from a platform.
Its height (in meters), xxx seconds after takeoff, is modeled by
h(x)=-(x-11)(x+3)h(x)=−(x−11)(x+3)h, left parenthesis, x, right parenthesis, equals, minus, left parenthesis, x, minus, 11, right parenthesis, left parenthesis, x, plus, 3, right parenthesis
How many seconds after takeoff will the hovercraft land on the ground?
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Step-by-step explanation:
Its height (in meters), xxx seconds after takeoff, is modeled by: h(x) = -2x^2+20x+48. How many seconds after takeoff will the hovercraft reach its maximum height. Now substitute x = 5 in the given equation. So maximum height will be 98 mtrs.
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