Find the average rate of change illustrated in the graph.
-A deep sea diving bell is being lowered at a constant rate. After 12 minutes, the bell is at a depth of 300 ft. After 50 minutes the bell is at a depth of 1500 ft. What is the average rate of change of depth? Round to one decimal
Place.
A) 30.0 ft per minute
B) 0.03 ft per minute
C) 24.0 ft per minute
D) 31.6 ft per minute

Question

Quizplus · Accepted Answer

The average rate of change is the change in depth divided by the change in time. The change in depth is 1500 - 300 = 1200 ft. The change in time is 50 - 12 = 38 minutes. So the average rate of change is 1200 / 38 = 31.6 ft per minute.

Find the Average Rate of Change Illustrated in the Graph