Precalculus| One-To-One Functions and Horizontal Line Test | 40Gamma

#precalculus

In this video, I explain the concept of One-To-One functions. We use the Horizontal Line Test to determine if a function is One-To-One. When a function is One-To-One, that means we can find its inverse.

I previously had talked about the Vertical Line Test which used to determine if a graph is a function in the first place. Link to this video is here:    • Algebra| Vertical Line Test: Is it a Funct...  

Now, just like I mentioned above once we're done with the vertical line test to determine a function, then we use the Horizontal Line Test to determine if a function is One-To-One.


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