Prof. S. Brick Math 120
Fall ’02 Applied Calculus; Quiz 4 section 52
0. Print your name:
1. A population doubles every 15 years. Using an exponential model find its annual growth
rate.
2. Suppose f(5) = 10 and f(15) = 60. Find two possible values for f(25), one if fis linear
and the other if fis exponential. Explain.
3. The depth of water in a tank oscillates once every 3 hours, with the smallest depth
being 2 feet and the largest being 10 feet. Using the sine function, find a possible formula
for depth as a function of time.