Relation and Functions

Front

What are all of the y values of a relation called?

Back

Range

Front

What is the definition of a function?

Back

Every input has only ONE output.

Front

Is the graph a function or not a function?

Back

Function

Front

What is the domain?

Back

The set of all possible x values in a relation.

Front

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

Back

D:{-4, 0, 1, 2} R:{-4, -3, 1}

Front

What is a relation?

Back

A set of ordered pairs.

Front

What is the difference between domain and range?

Back

Domain is the set of x values; range is the set of y values.

Front

What does it mean for a relation to be a function?

Back

Each input (x value) must correspond to exactly one output (y value).

Front

Can a function have the same output for different inputs?

Back

Yes, a function can have the same output for different inputs.

Front

What is an example of a function?

Back

f(x) = x^2 is a function because each x has one y.