PLEASE HELP! (don't graph, give me the coordinates and i will graph myself)

If a baseball player hits a baseball from 4 feet off the ground with an initial velocity of 64 feet per second, how long will it take the baseball to hit the ground? use the equation h = −16t2 + 64t + 4.

What is the average rate of change for this function for the interval from x=2 to x=4 ?

What numbers are included in the set of integers? what numbers are not included?