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Intermediate Algebra – Student Workbook – Second Edition 2013

Intermediate Algebra – Student Workbook – Second Edition 2013

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Lesson 1a <strong>–</strong> Introduction to Functions<br />

Throughout this class, we will be looking at various <strong>Algebra</strong>ic Functions and the characteristics<br />

of each. Before we begin, we need to review the concept of what a Function is and look at the<br />

rules that a Function must follow. We also need to investigate the different ways that we can<br />

represent a Function. It is important that we go beyond simple manipulation and evaluation of<br />

these Functions by examining their characteristics analyzing their behavior. Looking at the<br />

Functions modeled as Graphs, Tables and Sets of Ordered Pairs is critical to accomplishing that<br />

goal.<br />

Lesson Objectives:<br />

1. Define FUNCTION<br />

2. Determine if data sets, graphs, statements, or sets of ordered pairs define functions<br />

3. Use proper function notation<br />

4. Identify INPUT and OUTPUT variables and quantities<br />

5. Identify DOMAIN and RANGE or PRACTICAL DOMAIN and PRACTICAL<br />

RANGE of a function<br />

6. Evaluate functions<br />

7. Use a function to find INPUT given OUTPUT or find OUTPUT given INPUT<br />

Scottsdale Community College Page 1 <strong>Intermediate</strong> <strong>Algebra</strong>

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