Lin and Clare were standing in the woods near a stream, and each threw a stone up in the air at the same time so that it would land in the water. The graph represents the
height of a stone t seconds after it was tossed up by Lin.
12
A
11
10
9
8
height (feet)
1
13
time (seconds)
The function f given by f(t) = (-161-8)(t-1) represents the height of a stone t
seconds after it was thrown by Clare. In both functions, height is measured in feet.
Whose stone hit the water first? When did that happen?