Determine if Function

Front

Is this graph a function or not a function?

Back

Not a Function

Front

Is this table a function or not a function?

Back

Not a Function

Front

Is this table a function or not a function?

Back

Not a Function

Front

Is this mapping a function or not a function?

Back

Not a Function

Front

What is the definition of function?

Back

Every input has only ONE output

Front

What is a function?

Back

A relation where each input has exactly one output.

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

No, a function must have unique outputs for each input.

Front

What is an example of a function?

Back

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

Front

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

Back

The relation {(1, 2), (1, 3)} is not a function because the input 1 has two different outputs.