2 4
5
6
A fountain sprays water into a pool as part of the
filtration system. The projected path of water is
modeled by the function given in the table, where x
represents the time in seconds since the water left the
fountain and fx represents the height in feet above the
pool's water line.
I
X
f(x)
How many seconds does the
water travel through the air?
10
1.5
1
2
-6
2
15
1.5
3
O
3
4
-2.5
5
5
-6