Inputs and Outputs Functions

• Function

• Not a Function

Is the graph a function or not a function?

• Function

• Not a Function

Examine the table and determine if it represents a function or not a function.

• Function

• Not a Function

• –10

• 8

• –16

• 16

What's the ordered pairs to this mapping diagram?

• (1,6); (1,5); (4,6); (-8,7); (3,7)

• (1,5); (4,7); (4,6); (3,8); (-8,8)

• (1,5); (4,6); (8,7); (3,7); (-8;8)

• (1,5); (4,5); (4,6); (-8,8); (3,7)

• (1,5); (4,5); (4,6); (-8,8); (3,8)

Is this mapping diagram a function or not a function?

What is the definition of a function?

• Has inputs and function outputs

• Every input has only ONE output

• Inputs have different outputs every time

• x-values and y-values

• Every input has NO outputs

• Yes
• No

Which set of ordered pairs is a function?

• {(9,5), (10,5), (9,-5), (10,-5)}

• {(3,4), (4,-3), (7,4), (3, 8)}

• {(6,-5), (7, -3), (8, -1), (9, 1)}

• {(2, -2), (5, 9), (5, -7), (1, 4)}

Which of these tables represent a function?

• A

• B

• C

• D