The function h(t) = -2(t - 3)^2 + 23 represents the height, in feet, t seconds after a volleyball is served. which of the following are correct? select all that apply.

1) the volleyball reached its maximum height at 3 seconds
2) the maximum height of the volleyball was 23 feet
3) if the volleyball is not returned by the opposing team, it will hit the ground in 5.5 seconds
4) the graph that models the volleyballs height over time is exponential
5) the volleyball was served at a height of 5 feet

thank you.