A ball is thrown into the air with an upward velocity of 40ft/s.it's height h in getting after t seconds is given by the function h=— 16x^2+3x+1
A. In how many seconds does the ball reach its maximum hieght ?
B.what is the ball's maximum height?

Question

A ball is thrown into the air with an upward velocity of 40ft/s.it's height h in getting after t seconds is given by the function  h=— 16x^2+3x+1
A. In how many seconds does the ball reach its maximum hieght ?
B.what is the ball's maximum height?

jdoe0001 · Answer

have you covered quadratic equations yet?   or parabolas?

anonymous · Answer

Their parabolas

jdoe0001 · Answer

hmm their parabolas?   as opposed to our parabola?  what do you mean?

anonymous · Answer

Well Idk

jdoe0001 · Answer

ok.. so...  what section is the exercise meant to cover though?

I mean.. how are you expected to get the height of the ball?

jdoe0001 · Answer

surely the exercise is based on a section that's being studied

anonymous · Answer

Yeah

jdoe0001 · Answer

ok....so    what section is it meant to cover?

anonymous · Answer

Quadratic functions