Input and Output Pairs for a Given Function

Which relation is a function?

• <(0,1), (1,2), (3,3), (3,4)>

• <(0,2), (1,3), (2,3), (3,2)>

• <(1,3), (2,2), (2,0), (3,4)>

• <(1,2), (2,2), (3,2), (1,3)>

Is the relation in the table a function?

• Yes, each input has exactly one output

• No, each input has exactly one output

• Yes, each input has multiple outputs

• No, each input has multiple outputs

Is the relation in this table a function?

• Yes, each input has exactly one output

• No, each input has more than one output

• No, the cost of the movies is different

• Yes, each output has exactly one input

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)>

Given: {(5, 2), (7, 4), (9, 10), (x, 5)}, which of the following values substituted for x will make this relation a function?

• 7

• 9

• 4

• 5

Is this graph 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 table a function or not a function? 

• Function

• Not a Function 

List the ordered pairs represented in the mapping.

• Input and Output

• (-1, 1), (-2, 1), (-3,2), (-4,2)

• (1,1) (2,4)

• (1,-1), (1,-2), (2,-3), (2,-4)

Is this mapping a function or not a function? 

• Function

• Not a Function