# One to one functions

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##### Intros

##### Examples

###### Lessons

**Discussing the Differences Between Surjective and Injective Functions**Identify the differences between Surjective and Injective functions and give an example for each of the functions.

**Identifying One-to-One Functions On a Graph**Learning the Horizontal Line Test and understanding how it can be implemented to identify one-to-one functions on a graph.

**Applying the Horizontal Line Test**Determine if the following graphs are one-to-one functions using the horizontal line test.

i.

ii.

iii.

iv.