The relation is a function.

{(1,3), (2,-3), (-5,12), (4,-4)}
True or False

True. 

A relation is a function if each input (the first element of each ordered pair) is associated with exactly one output (the second element). In this case, each input (1, 2, -5, 4) is paired with only one unique output (3, -3, 12, -4), so the relation represents a function.

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Here are five related questions for practice:
1. What is the definition of a function in mathematics?
2. Can a function have the same output for different inputs?
3. How do you determine if a relation is **not** a function?
4. If a relation contains two pairs (2, 5) and (2, 6), is it a function?
5. What is the difference between a function and a one-to-one function?

**Tip:** To quickly verify if a relation is a function, check if any input (x-value) is repeated with a different output. If not, it's a function.

The relation is a function. {(1,3), (2,-3), (-5,12), (4,-4)} True or False

Learn how to determine if a relation is a function by checking if each input is associated with only one output. Explore the concept of functions and relations through this example: {(1,3), (2,-3), (-5,12), (4,-4)}. Suitable for Grades 8-10.

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