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Mathematics 13 Online
OpenStudy (anonymous):

With steps plz :D A ball is hit so that its height h (in feet) after t seconds is given by h(t)=-16t^2+48t+3 . How high does the ball get?

OpenStudy (klimenkov):

Can you find the maximum of the function?

OpenStudy (anonymous):

sorry can't ill be happy if you can help me out.

OpenStudy (anonymous):

finding the vertex first?

OpenStudy (klimenkov):

Yes. Can you fint the vertex of your quadratic function?

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

3/2?

OpenStudy (anonymous):

and i got 39 as the answer...

OpenStudy (klimenkov):

That's right!

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