Identify Functions from Graphs, Tables, Mapping

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Is the relation a function? Why.

• No, some outputs have more than one input

• Yes, every output has only one input

• No, some inputs have more than one output

• Yes, every input has exactly one output

Is this mapping a function or not a function? 

• Function
• Not a Function

Is this table a function or not a function? 

• Function
• Not a Function

Is this mapping a function or not a function? 

• Function
• Not a Function 

Is the graph a function? Select all that apply.

• Function

• Not a Function

• Passes the Vertical Line Test

• Fails the Vertical Line Test

Is this graph a function or not a function? Select all that apply.

• Function

• Not a Function

• Passes Vertical Line Test

• Fails Vertical Line Test

If your input is 5, what is the output for this function table?

Is this mapping a function? Select all that apply.

• Function

• Not a function.

• Every input has only 1 output.

• Some inputs have more than 1 output.

What is the Domain and Range of this mapping? Select all that apply.

• Domain {2, 3, 4}

• Domain {20, 30, 40}

• Range {2, 3, 4}

• Range {20, 30, 40}