Answer to Question #161392 in Algebra for Trinity

Question #161392

A ball is shot out of a cannon with its flight modeled by f(x)=-16t²+80t. t=seconds. what is the maximum height?

Expert's answer

A function is a parabola with branches downward. A vertex has a co-ordinate

t=-80/(2 (-16))=2.5 then maximum height H=f(2.5)=-16 (2.5)²+80 (2.5)=100

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