A type of equation.

A set of ordered pairs.

A relation where each input has exactly one output.

A relation where each input can have multiple outputs.

A button on a calculator that always gives the same result.

A vending machine where each button gives a specific drink.

A student name associated with multiple grades.

A machine that gives one output for each input.

You should get a different value.

You should get '0'.

You should get '3' again.

You should get multiple values.

Input: 3, Output: 4; Input: 3, Output: 5

Input: 2, Output: 3; Input: 2, Output: 3

Input: 1, Output: 2; Input: 1, Output: 3

Input: 4, Output: 5; Input: 4, Output: 5

To identify the x-intercept of a graph.

To find the slope of a line.

To determine if a graph represents a function.

To calculate the area under a curve.