Pre-Calc/Chapter 1: Functions and Graphs/1.4 Building Functions from Functions
Solve the problem. A satellite camera takes a rectangular - shaped picture...
Solve the problem.
A satellite camera takes a rectangular - shaped picture. The smallest region that can be photographed is a 4-km by 6-km rectangle. As the camera zooms out, the length l and width w of the rectangle increase at a rate of 3km/sec. How long does it take for the area A to be at least 4 times its original size?]]>
1.0000000
0.3333333
0
true
true
abc
9.7 seconds
Incorrect
3.28 seconds
Incorrect
4.94 seconds
Incorrect
1.61 seconds
Correct