The vertical line test (VLT) is a way to determine whether or not the graph of a relation is a function. See how to use it here.
IMPORTANT TIMESTAMPS:
0:00 Introduction and Background Knowledge
0:24 What is the VLT?
2:12 Why does the VLT work?
4:03 Example 1 - a linear relation
5:55 Example 2 - a quadratic relation
7:18 Example 3 - a circle
8:16 Example 4 - an exponential relation
Download full notes from this video along with practice worksheets at https://www.lulumath.com
BACKGROUND INFO VIDEO:
What is a function?: • What is a Function? | Lulumath
Examples of Functions and Non-Functions: • 8 Examples of Functions Vs. Not a Function...
FOLLOW-UP VIDEO:
Domain and Range: • Introduction to Domain and Range | Functio...
Bonus Domain and Range: • BONUS: Domain and Range With a Square Root...
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