The depth (in feet) of a river is measured every 3 hours on a particular day
MATHEMATICS · Single correct · AP · Calculus AB · Limits and Continuity · Limits and Continuity
Problem
The depth d (in feet) of a river is measured every 3 hours on a particular day, producing the data in the table below.
Time after midnight (h): 0 3 6 9 12
Depth d (ft): 4.2 4.8 5.6 6.1 6.8
Assuming depth varies continuously, on which of the following intervals is a depth of exactly 5 ft guaranteed to occur?
(a) Between 6 h and 9 h
(b) Between 3 h and 6 h
(c) Between 0 h and 3 h
(d) Between 9 h and 12 h