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Relations and Functions

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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
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) = 2x2 + 5
5. f(x) = 1/x
6. What is the range of the function y = x2 - 5 when the domain is -2, -1, 0, 1, 2? Evaluate Functions
Learn how do we evaluate functions for given input values
Evaluate the following function for the value x = 1/3.
f(x) = -4x2 - 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.

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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