Is it a function?

Front

What is a function?

Back

A function is a relation where every input has only ONE output.

Front

Which of the following can make a relation NOT a function?

Back

If an input value is paired with multiple output values.

Front

Is the relation {(1, 2), (1, 3), (2, 4)} a function?

Back

No, because the input value 1 has two output values (2 and 3).

Front

Is the relation {(1, 2), (2, 3), (3, 4)} a function?

Back

Yes, because each input has only one output.

Front

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

Back

It means that for every input, there is exactly one output.

Front

If a mapping diagram shows an input value going to multiple output values, is it a function?

Back

No, it is not a function.

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

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

The relation {(1, 2), (2, 3), (3, 4)} is a function.

Front

What is an example of a relation that is NOT a function?

Back

The relation {(1, 2), (1, 3)} is NOT a function.