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The Domain and Range of a Function

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Lesson Focus

The Domain and Range of a Function

Algebra-1

Learning Made Easy

You will identify the domain (input) and range (output) of a discrete function, and write the domain and the range of a continues function using an inequality or interval notation.

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Now You Know

After completing this tutorial, you will be able to complete the following:

  • Determine the domain and range of a discrete function given by an equation, graph, table, or verbal rule.
  • Write the domain and range of a function using an inequality or interval notation.

Everything You'll Have Covered

Domain and range terminology explained

The domain, often referred to as the input, is the set of all the possible x values for a given function. The range, often referred to as the output, is the set of all the possible y values for that same function.

Tutorial Details

Approximate Time 30 Minutes
Pre-requisite Concepts Learners should understand the concepts of domain, function, and range; know how to locate and plot points on a coordinate plane; be able to evaluate algebraic expressions; and determine the input and output for a function.
Course Algebra-1
Type of Tutorial Skills Application
Key Vocabulary domain, function, input