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More Lessons for Algebra 1

Math Worksheets

Examples, solutions, videos, worksheets, games and activities to help Algebra 1 students learn how to distinguish between relations and functions.

**What is a function?**

Functions and their graphs

**Domain and range of a function**

Example:

Find the domain and the range.

1. Justin charges $10 per hour for mowing lawns.

2. Maria charges $25 per hour for tutoring math with, with a minimum charge of $15.

3. f(x) = 15x - 12.

4. f(x) = 2x^{2} + 5

5. f(x) = 1/x

6. What is the range of the function y = x^{2} - 5 when the domain is -2, -1, 0, 1, 2?
**Evaluate Functions**

Learn how do we evaluate functions for given input values

Example:

Evaluate the following function for the value x = 1/3.

f(x) = -4x^{2} - 7x + 9

**How to Determine if a Relations is a Functions?**

How to determine is a relation is a function and the concepts behind mapping a relation and the vertical line test.

More Lessons for Algebra 1

Math Worksheets

Examples, solutions, videos, worksheets, games and activities to help Algebra 1 students learn how to distinguish between relations and functions.

Functions and their graphs

Example:

Find the domain and the range.

1. Justin charges $10 per hour for mowing lawns.

2. Maria charges $25 per hour for tutoring math with, with a minimum charge of $15.

3. f(x) = 15x - 12.

4. f(x) = 2x

5. f(x) = 1/x

6. What is the range of the function y = x

Learn how do we evaluate functions for given input values

Example:

Evaluate the following function for the value x = 1/3.

f(x) = -4x

How to determine is a relation is a function and the concepts behind mapping a relation and the vertical line test.

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