Determining Function or Not a Function

{(1,2),(2,3),(3,4),(4,5)}

• Function

• Not a function

2.{(-3,0), (4,5), (-5,10),(-3,-15)}

• Function

• Not a function

• Function

• Not a function

• Function

• Not a function

Determine if the graph is a function. `​​ (a)   `

• Function

• Not a Function

Determine if the graph is a function. `​ (a)   `

• Not a Function

• Function

• Yes
• No

Is this a function?  (a)  

The domain is​ (b)  

The range is​ (c)  

• Yes

• No

• {-1, 0, 1, 2, 3}

• {-1, 1, 2, 3}

• {1, 2, 3}

• {0, 1, 2, 3}

Does the following represent y as a function of x? ​ ​ (a)  

• No

• Yes

Does the mapping of these points represent a function? (Note: the left oval represents your x values and the right oval represents your y values)

• Function

• Not a Function