Understand Functions

Front

What is the name of the test that we do on a graph to see if it is a function?

Back

Vertical Line Test

Front

What is a function?

Back

A relation where every input has only ONE output.

Front

Is this mapping a function? (Example: {(1,2), (1,3)})

Back

Not a Function

Front

Is this graph a function? (Example: A vertical line intersects the graph)

Back

Not a Function

Front

What does it mean if a graph passes the vertical line test?

Back

It is a function.

Front

What is the definition of a relation in mathematics?

Back

A set of ordered pairs.

Front

What is the domain of a function?

Back

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

Front

What is the range of a function?

Back

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

Front

If f(x) = 2x + 3, what is f(2)?

Back

7

Front

What is an example of a function? (Example: f(x) = x^2)

Back

A function because each input has one output.