## Videos for Functions in General

3.5 Describing Functions

These videos practice discussing domain, range, increasing, decreasing, where y is positive or negative, how to find a "y" given an "x" and how to find any "x's" given a "y".

Video 1 | Video 2 |

3.6 Operations with Functions

These videos practice adding, subtracting, multiplying and evaluating functions.

Video 1 |

3.6 Working with the Difference Quotient

These videos explains how to correctly use the difference quotient.

Video 1 | Video 2 | Rational function |

3.7 Composition of Functions

These videos practice finding the composition of functions.

Video 1 | Video 2 |

3.7 Inverse Function

The first video explains the idea of an inverse. The second function discusses the idea idea of a 1-1 function and how to build an inverse function. The remaining videos practice verifing a graph is the graph of a 1-1 function, finding an inverse function for 1-1 functions and using composition to verify the function is an inverse.

Video 1 | Video 2 | Video 3 | Video 4 |