Practice - Understanding Functions

Is this a function? Explain.

• Yes; it passes the horizontal line test.
• No; it is not a straight line.
• Yes; it passes the vertical line test.
• No; it does not pass the vertical line test

Is relation shown a function?

• YES
• NO

Does this represent a function?

• Yes

• No

• A

• B

• C

• D

You can identify a function from a graph by using the.....

• Horizontal Line Test
• Eye Test
• Vertical Line Test
• Diagonal Line Test

Does this table represent a function?

• Yes 
• No

Is this set of ordered pairs a function or not a function? 

• Function
• Not a Function