Understanding inverse functions can be really fun! 🎉

A function has an inverse if it passes something called the Horizontal Line Test. This just means that if you draw a horizontal line across the graph, it should only touch the graph once.

If this happens, it means that each output (or $y$ value) matches to exactly one input (or $x$ value).

Key Points to Remember:

• One-to-One Function: This means each output is unique and different from the others.
• Horizontal Line Test: This is a quick way to see if a function can have an inverse.

When a function is one-to-one, we can find its inverse, and it feels pretty magical! 🌟

Keep learning and exploring!