Functions

Front

Evaluate if y = x + 3 when x = -2

Back

1

Front

All of the x values are called what?

Back

Input or Domain

Front

Is this graph a function or not a function? (Graph shows a vertical line test)

Back

Function

Front

Is this table a function or not a function? (Table shows repeated x values)

Back

Not a Function

Front

Is this graph a function or not a function? (Graph passes the vertical line test)

Back

Function

Front

What is 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).

Front

What is the range of a function?

Back

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

Front

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

Back

Each input must correspond to one and only one output.

Front

What is the vertical line test?

Back

A method to determine if a graph represents a function; if a vertical line intersects the graph at more than one point, it is not a function.