Understanding functions

Is this graph a function or not a function? 

• Function

• Not a Function

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values
• No, because the vertical line test shows there are repeating input values

Is this a function?

• Function

• Not a function

Tags

A.7.a

Function or Not a Function?

• Function
• Not a Function

Which of the following is NOT a function?

• A

• B

• C

• D

When a vertical line crosses the line of a function ​ (a)   the relation ​ (b)   a function.​ ​

• more than once
• is not
• never

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; there is a line connecting the dots.

Which graph represents a function?

• 
• 
• 
• 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this a function

• Function
• Not a Function