Math 1A Domain and Range

Is this a function?

• Function
• 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 

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}
• {(2,7), (3,7), (4,7), (5,8)}
• {(1,-5), (-1,6), (1,5), (6,-3)}
• {(3,-2), (5,-6), (7,7), (8,8)}

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

• Function
• Not a Function

What is the domain of the graph?
Remember:  Domain is x

• 1≤ x ≤ 4
• 1 < x < 4
• 1≤ y ≤ 4
• 1 < y < 4

What is the domain of this graph?

• {-2 ≤ x ≤ 4}

• {-5 ≤ x ≤ 4}

• {-4, 0, -2}

• {-4 ≤ x ≤ 2}