Section 3.5: Functions and Relations Review
Definition of a function:
A function is a set of ordered pairs in which no two pairs have the same first coordinate and different second coordinates.
(The domain of a function is the set of first coordinates.
The range of a function is the set of second coordinates.)
"Beam me up Scotty"
Video Courtesy of www.mediamath.com (http://www.youtube.com/watch?v=8wMq0CkTieE )
