Functions II, increasing, decreasing, etc.

1. Increasing and decreasing functions:

a) The theory.

b) Geogebra applets:

2. Continuous or discontinuous functions:

a) The theory

b) An applet with piecewise functions to help visualize this concept.

3. Periodic functions:

a) The definition

b) And an applet:

And a video about rate of change: