Select the correct answer
Nell is on a scuba diving expedition. The graph shows Nell's approximate elevation as he jumps off the dive boat. The variable E is his elevation in feet
with respect to the water level, and t is the time in seconds.
Scuba Diving
100
E
50+
0
-50
-100
-150-
-200
-250
Elevation (feet)
-300-
350
400
2 3 4 5
6
OA E-71 28
OB E-17-152+28
OC. E-715
OD. E-77-15-22
t
7 89 10
Time (seconds)
Which equation best models the given graph?