Date: MATH 1210-4 - Spring 2004
Note: Unless stated otherwise, answers without justification
receive no credit. Please, show your work!
- Use differentials to approximate .
- An airplane, flying horizontally, at an altitude of 1 mile,
passes directly over an observer. If the constant speed of the
airplane is 600 miles per hour, how fast is its distance from the
observer increasing 1 minute later?