# Functions - Vertical Line Test & Mapping Diagrams

## Free Algebra Worksheet - Functions - Vertical Line Test & Mapping Diagrams

**Lesson:**

**Subject:**

**Description:**

**# of Problems:** 13

**# of Pages:** 4

**Answer Key?:** No

### Sample Problems from Worksheet

(Worksheet pictures and diagrams not shown)

Definitions:

set – A group of ________________, objects, or _____________.

domain – In a relation, the domain is all the ______________________.

range – the range is all the __________________________.

function –

A relation where each __________________ value (x) is paired with exactly one ___________________ value (y) is called a function. Is each relation a function?

Use a mapping diagram. Explain your answer.

Example 1: {(0, 1), (1, 2), (1, 3), (2, 4)}

Graph the relation shown in each table below. Is it a function? Use the vertical line test. Explain.

5. {(3, 0), (-2, 1), (0,-1), (-3, 2), (3, 2)}

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