Relations and Functions Domain Range One to One Onto Evaluate

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

Which of the following relations is a one-to-one function?

• <(0,2), (0,4), (0,5), (0,6)>

• <(1,3), (4,3), (8,3), (3,1)>

• <(5,-1), (6,3), (1,2), (7,-8)>

• <(1,2), (3,4), (-1,-2), (1,5)>

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What is the value of f(0)?

• -2

• 2

• 4

• 0

What is f(2)?

• -4

• 8

• 0

• 5

What is the domain of a relation? (a)  

• the set of all x-values

• the set of all y-values

• Function
• Not a Function

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