Algebra I: Lesson Plan * 10/24/2006

Chapter 5: Graphs and Functions 5-2: Relations and Functions Objective: To identify and describe relations and functions. To evaluate functions using variables.

Quickstart
MA.B.2.4.2 Practice Worksheet

Lesson
Identifying Relations and Functions p.241 - 242
Example 1: Finding Domain and Range
Definition of a Function
Example 2: Using the Vertical-Line Test

This picture, from freeimages.co.uk, shows a pencil. You can use a pencil as a model of a vertical-line for the vertical-line test.

Example 3: Using a Mapping Diagram
Check Understanding #1 - 3

Evaluating Functions p.243
Example 4: Evaluating a Function Rule
Check Understanding #4
Example 5: Finding the Range

Checkpoint Quiz #1
Lessons 5-1 through 5-2
p.246

Homework
p.244 - 245 #3 - 30 x 3's