Identifying Functions

Front

What best describes how a vending machine functions in terms of mathematics?

Back

A system that delivers exactly one specific item for each selection made.

Front

What can be defined as a collection of ordered pairs?

Back

Relation.

Front

In a city map, which axis is represented horizontally?

Back

x-axis.

Front

What is the output of the function if the input is 2 and the function is defined as f(x) = 4x - 8?

Back

8.

Front

In a graph representing a city's monthly rainfall, which axis is represented vertically?

Back

y-axis.

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

What is the difference between a relation and a function?

Back

A relation can have multiple outputs for a single input, while a function cannot.

Front

What does the x-axis represent in a coordinate plane?

Back

The horizontal axis.

Front

What does the y-axis represent in a coordinate plane?

Back

The vertical axis.

Front

If a function is represented as f(x) = 3x + 2, what is f(1)?

Back

5.