Videos and lessons to help High School students understand that a function from one set (called the domain) to another set (called the range) assigns to each element of the domain exactly one element of the range. If f is a function and x is an element of its domain, then f(x) denotes the output of f corresponding to the input x. The graph of f is the graph of the equation y = f(x).

Common Core: HSF-IF.A.1

Related Topics:

Common
Core (Functions)

Common Core
for Mathematics

This video introduces the definition of a function, domain, and range.

Introduction to Functions - Part 2

This video shows how to graph a function and how to determine the domain and range of a function.

Determining Domain and Range

Ex: Give the Domain and Range Given the Graph of a Function

This video provides an example of how to determine the domain and range of a function given the graph of a function. The domain and range are given using interval notation and using a compound inequality.

Ex 1: Determine the Domain and Range of the Graph of a Function

This video provides two examples of how to determine the domain and range of a function given as a graph.

Ex 2: Determine the Domain and Range of the Graph of a Function

This video provides two examples of how to determine the domain and range of a function given as a graph.

Determine if a Relation is a Function

Ex 1: Determine if the Graph of a Relation is a One-to-One Function

This video explains how to use the vertical line test and the horizontal line test to determine if the graph of a relations is a one to one function.

Rotate to landscape screen format on a mobile phone or small tablet to use the **Mathway** widget, a free math problem solver that **answers your questions with step-by-step explanations**.

You can use the free Mathway widget below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.