Function Values Graph

What is this type of function called?

• Discrete Function

• Segment Function

• Step Function

• Jump Function

What is the value of f(0) (that is to say when x=0, what is the value of y)?

• y =2

• y = 0

• y = -1

• y= 1

What is the value of y when x = 0?

• -3

• 4

• 2

• 0

How much would the postage cost for a letter that weighs 4 ounces?

• 43 cents

• 47 cents

• 45 cents

• 49 cents

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 graph a function or not a function? 

• Function 

• Not a Function 

Is the relation a function?

• yes, it is a function

• no, it is not a function

• not enough information to determine

Does this graph represent a function?

• No

• Yes

Does this represent a function?

• Yes

• No

• Range

• Domain