Functions and Vertical Line Test

Is this table a function or not a function? 

• Function

• Not a Function 

Tags

CCSS.8.F.A.1

Is this a function?

• Yes

• No

Tags

CCSS.8.F.A.1

Is relation shown a function?

• YES

• NO

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

Which graph does NOT pass the vertical line test?

Is y a function of x?

• function

• not a function

Which graph does NOT pass the vertical line test?

• Graph 1

• Graph 2

• Graph 3

• Graph 4

The vertical line test determines if a ​ (a)   is a function by showing visually that every x value has only one ​ (b)   (y value)

• graph

• answer

• table

• equation

• Starting point

• Monkey

Is y a function of x?

• function

• not a function

Which graph does NOT pass the vertical line test?