Prof. S. Brick Math 120
Summer ’03 Applied Calculus; Quiz 4 section 21
0. Print your name:
1. Which function is eventually bigger and why, f(x) = 1000 ·√x3or g(x) = .0002 ·x2?
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.