Other
Increasing, Decreasing, Maximum and Minimum Functions
This site provides a portion of a textbook that explores increasing and decreasing functions. Students are provided examples and then have practice problems they can attempt to master the concept.
Math Is Fun
Math Is Fun: Increasing and Decreasing Functions
This website explores different types of functions such as increasing, decreasing, constant and one-to-one. Students are provided with example problems as well as vocabulary.