Curry Martin
04/16/2023 · Primary School
Question 7 The height \( h \mathrm{~m} \) of a ball above the ground at time \( t \) seconds after it is thrown from a roof is given by \( h=-t^{2} \) \( +3 t+28 \). (a) How high is the ball above the ground when it is first thrown?
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The height of the ball when first thrown is \( 28 \) meters.
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