# Section 3.1.3: Functions as Graphs

**Textbook Section 3.1.3: Functions as Graphs**

Textbook Section 3.1.3: Functions as Graphs

**Learning Objectives**

• Graph a function from a rule or table.

• Write a function rule from a graph.

• Analyze the graph of a real world situation.

• Determine whether a relation is a function.

**Section 3.1.3 Videos**

**Video Lessons**

**Video Examples**

- Ex 1: Use the Vertical Line Test to Determine if a Graph Represents a Function
- Ex 2: Use the Vertical Line Test to Determine if a Graph Represents a Function
- Ex: Graph an Absolute Value Function Using a Table of Values
- Ex: Graph a Square Root Function Using a Table of Values
- Ex: Graph a Quadratic Function Using a Table of Values
- Ex 1: Determine the Domain and Range of the Graph of a Function
- Ex 2: Determine the Domain and Range of the Graph of a Function
- Ex: Determine the Domain of a Square Root Function
- Ex: Determine the Domain of an Absolute Value Function
- Ex: Determine the Domain of a Rational Function
- Ex 1: Determine a Function Value From a Graph
- Ex 2: Determine a Function Value From a Graph
- Ex 3: Determine a Function Value From a Piecewise Defined Graph

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