I NEED A-D ANSWERED PLEASE! 20 POINTS! A diver jumps off a diving board with an initial velocity of 4 m/s from a height of 5 m. The
equation h(t) = -4.9t^2+ 4t + 5 models the diver height in meters after t seconds.

a) About how many seconds does it take for the diver to land in the water?

b) What is the diver's height after 1 second?

c) How long does it take for the diver to reach the maximum height?

d) What is the diver's maximum height?