Topic 3 Lesson 1 - Relations & Functions

Front

What are all of the x-values or inputs in a relation called?

Back

Domain

Front

What is the definition of a function?

Back

A relation where each input has exactly one output.

Front

Is the relation (1,2), (2,3), (3,4) a function?

Back

Yes

Front

Is the relation (1,2), (1,3), (2,4) a function?

Back

No

Front

What is the range in a relation?

Back

All of the y-values or outputs.

Front

What does it mean for a function to be one-to-one?

Back

Each output is paired with exactly one input.

Front

What is a mapping diagram?

Back

A visual representation of a relation showing how inputs are paired with outputs.

Front

What is the vertical line test?

Back

A method to determine if a graph represents a function; if a vertical line crosses the graph more than once, it is not a function.

Front

What is a relation?

Back

A set of ordered pairs.

Front

What is the difference between a function and a relation?

Back

A function is a specific type of relation where each input has one output.