What you’ll learn
Classify the discrete point graph as Function or Not a function.
Key idea
A graph is a function when each input coordinate has only one output coordinate.
Worked example
Classify the discrete point graph as Function or Not a function.
discrete point graph
| input | output |
|---|---|
| -1 | 4 |
| -1 | 6 |
| 0 | 8 |
- Not a function
Answer: Not a function
Quick Check
Classify the discrete point graph as Function or Not a function.
discrete point graph
| input | output |
|---|---|
| -1 | -2 |
| 0 | -2 |
| 1 | 0 |