functions

Front

Is y a function of x?

Back

not a function

Front

Is y a function of x?

Back

function

Front

What is the range of the following data set: (1, 4), (-1, 6), (2, 7), (-3, 5)?

Back

4, 5, 6, 7

Front

Is y a function of x?

Back

function

Front

Does the data set represent a function? (1, 4), (-1, 6), (2, 6), (2, 5)

Back

no

Front

Definition of a function:

Back

A relation where each input has exactly one output.

Front

What is the domain of a function?

Back

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

Front

What is a 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.

Front

Example of a function:

Back

f(x) = 2x + 3 is a function because each x has one corresponding y.

Front

Example of a non-function:

Back

y^2 = x is not a function because one x can have two y values.