Mathematics, 20.03.2020 00:00 dontcareanyonemo

A HoverCraft Takes Off from a platform. Its height(in meters) x seconds after takeoff is modeled by h(x)=-(x-11)(x+3)
How many seconds after takeoff will the hovercraft land on the ground?

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A HoverCraft Takes Off from a platform. Its height(in meters) x seconds after takeoff is modeled by h(x)=-(x-11)(x+3) How many seconds after takeoff will the hovercraft land on the ground?

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Another question on Mathematics

A HoverCraft Takes Off from a platform. Its height(in meters) x seconds after takeoff is modeled by h(x)=-(x-11)(x+3)
How many seconds after takeoff will the hovercraft land on the ground?