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Daniel Math Academy · Grade 8 Math

Identify Functions

Skill T.1 · Functions · ★★☆ Medium · Quarter 3

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Write function or not a function.

1. 1
   $\{(0,-8),(2,-5),(3,2),(1,-4),(-1,-5)\}$ 
2. 2
   $\{(7,-6),(-2,7),(-5,8),(0,6),(-2,-9)\}$ 
3. 3
   $\{(-3,-9),(2,9),(-7,2),(0,9),(-3,-8)\}$ 
4. 4
   $\{(5,-9),(-6,4),(-1,-6),(2,2),(-5,-6)\}$ 
5. 5
   $\{(4,6),(-4,5),(-1,5),(6,8),(-3,-1)\}$ 
6. 6
   $\{(4,7),(-5,2),(0,-4),(-5,7),(3,-4)\}$ 

Daniel Math Academy · Grade 8 Math

Answer Key

T.1 Identify Functions · ★★☆ Medium

1. 1function
2. 2not a function
3. 3not a function
4. 4function
5. 5function
6. 6not a function