Square rooting because you have to find the inverse of the equation to solve
Answer:
The ball reaches it's max height of 8 feet at 0.5 seconds.
The ball was at 7 feet at 0.25 seconds and 0.75 seconds.
The tennis ball was above 4 feet for about 1 second.
Between 0.5 seconds and 0.75 seconds the ball decended 1 foot.
Lines that cross each other. And have a solution.