Understanding Functions in Mathematics

Front

What makes a relation a one-to-one function?

Back

Each output has exactly one input.

Front

The input value is also called the:

Back

Independent variable.

Front

A function machine:

Back

Always produces the same output for the same input.

Front

Which notation correctly represents a function?

Back

f(x)=y.

Front

In the ordered pair (3,7), what is the input value?

Back

3.

Front

What is a function?

Back

A relation where each input has exactly one output.

Front

What is the range of a function?

Back

The set of all possible output values.

Front

What is the domain of a function?

Back

The set of all possible input values.

Front

What does it mean for a function to be linear?

Back

It can be represented by a straight line on a graph.

Front

What is the vertical line test?

Back

A method to determine if a relation is a function by checking if a vertical line intersects the graph at more than one point.