Question: Which relation represents a function?
A) {(2,3),(2,5),(3,4)}
B) {(1,2),(2,3),(3,4)}
C) {(1,2),(6,1),(5,2)}
D) {(1,3),(1,3),(2,4)}
Correct answer: B
Grade: 8 | Topic: Functions | Difficulty: Easy | Standard: 8.F.A.1