• shelby1290
Mini flares are used by some boaters in an emergency. The flight of a flare, when fired at an angle of 70 degrees to the horizontal, is modelled by the function: h(t) = -9(t-3)^2+83 where h is the height, in metres, and t is the time, in seconds, since the flare was fired. a) What is the maximum height of the flare? b) After how many seconds does the flare reach its maximum height? c) For how many seconds does the flare burn before it hits the ground? d) State the domain and range of the function
Mathematics
• Stacey Warren - Expert brainly.com
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SOLVED
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