Functions

Front

What is the domain of a function?

Back

The set of all possible input values (x-values) for a function.

Front

What is the range of a function?

Back

The set of all possible output values (y-values) for a function.

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

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

Back

Every input (x-value) must correspond to one and only one output (y-value).

Front

What is an example of a function?

Back

f(x) = 2x + 3 is a function because each x-value has one corresponding y-value.

Front

What is a mapping diagram?

Back

A visual representation of how each input is paired with an output.

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 are x-values in a function?

Back

The input values of a function, often represented as 'x'.

Front

What are y-values in a function?

Back

The output values of a function, often represented as 'f(x)' or 'y'.

Front

What is an ordered pair?

Back

A pair of numbers (x, y) that represent a point on a graph.