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There are 7 lessons in this math tutorial covering **Injective, Surjective and Bijective Functions. Graphs of Functions**. The tutorial starts with an introduction to **Injective, Surjective and Bijective Functions. Graphs of Functions** and is then followed with a list of the separate lessons, the tutorial is designed to be read in order but you can skip to a specific lesson or return to recover a specific math lesson as required to build your math knowledge of **Injective, Surjective and Bijective Functions. Graphs of Functions**. you can access all the lessons from this tutorial below.

In this Math tutorial, you will learn:

- What is codomain? Where does it differ from the range?
- What are injective functions?
- What are surjective functions?
- What is the condition for a function to be bijective?
- How to build the graph of a function?
- What is the horizontal line test? What is it is used for?
- What is the vertical line test? What is it is used for

In this tutorial, we will see how the two number sets, input and output, are related to each other in a function. Based on this relationship, there are three types of functions, which will be explained in detail. The tutorial finishes by providing information about graphs of functions and two types of line tests - horizontal and vertical - carried out when we want to identify a given type of function.

Please select a specific **"Injective, Surjective and Bijective Functions. Graphs of Functions"** lesson from the table below, review the video tutorial, print the revision notes or use the practice question to improve your knowledge of this math topic.

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- Continuing learning functions - read our next math tutorial: Basic Functions

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