Question

Just some algebra questions that i don't know the answers to

Answer 1

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.