Question

WILL FAN AND MEDAL WHOEVER HELPS (:

A ball is thrown into the air with an upward velocity of 20 feet per second. Its height, h, in feet after t seconds is given by the function h(t)= -16t^2+20t+2

how long does it take the ball to reach its maximum height? what is the balls maximum height? round to the nearest hundredth, if necessary.

Reaches a maximum height of 8.25 feet after 1.25 seconds
Reaches a maximum height of 8.25 feet after 0.63 seconds
Reaches a maximum height of 0.16 feet after 1.34 seconds
Reaches a maximum height of 0.32 feet after 1.34 seconds

Answer 1

B would be the correct answer

Answer 2

could you explain how you got that?? This is just a bit confusing for me (: sorry

Answer 3

well first off it said the ball was moveing 20 feet per sec, all the other choices were over 1 sec and below 20. and B was under 1 sec for it just makes sence

Answer 4

oh. Well thank you so much !! I really appreciate the help.

Answer 5

your welcome