Grade 8 Math · Functions
Understand a function as one output per input
Classify the finite relation as Function or Not a function.
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What you’ll learn
Classify the finite relation as Function or Not a function.
Key idea
A function assigns each input exactly one output.
Worked example
Classify the finite relation as Function or Not a function.
input/output relation
Given values| input | output |
|---|
| -1 | 4 |
| -1 | 6 |
| 0 | 8 |
- Not a function
Answer: Not a function
Quick Check
Classify the finite relation as Function or Not a function.
input/output relation
Given values| input | output |
|---|
| -1 | -2 |
| 0 | -2 |
| 1 | 0 |