We know that:

Substituting known values, we have:

OK...... your answer would be
- 10y^2 - 26y + 1/y
H0P3 It H3LPS :)
Answer:
Initial height or what the ball was originally bounced from a height of 9 feet
Step-by-step explanation:
9 represents the height that the ball was originally bounced from.
If you plug in 0 for
into
, you get:
.
9 feet is the initial height since that is what happens at time zero.
1 1/2 is the correct answer