## Video Links 15-5

**Videos:**

Functions (time: 9:33)

Function notation (time: 5:29)

… See the whole entry

**Videos:**

Functions (time: 9:33)

Function notation (time: 5:29)

… See the whole entry

This site provides an elementary discussion of functions.

http://www.algebralab.org/lessons/lesson.aspx?file=Algebra_FunctionsRelationsIntro.xml… See the whole entry

**Problems 1-2**

These are asking for you to restate definitions using your own words. Look up these definitions in this section, study them, and then paraphrase them with the answers to these problems.

**Problems 3-14**

Review the definition of a … See the whole entry

- Definitions
- first/second components
- function

- Representations of functions
- ordered pairs
- mapping
- machine

- Functional notation
- domain
- range
- difference quotient

- Vertical line test
- Some important functions (see below)
- constant function
- linear function
- quadratic function
- trigonometric function
- exponential function
- logarithmic function
- probability

This site presents an interesting logic calculator:

http://www.inf.unibz.it/~franconi/teaching/propcalc/

These sites considers logic gates (with links to other logic topics):

https://pages.jh.edu/virtlab/logic/log_cir.htm