Question

a 1. Which of the following functions represent one-to-one function?
a. {(1,1),(1, -1),(4,2),(4,-2), (9,3)}
c. {(1,2), (2,3),(3,4),(4,5),(5,6)}
b. {(2,4), (3,4),(4,4), (5,4), (6,4)}
d. {(3,4),(3,5), (3,6),(3,7),(3,8)} ​

Answer 1

Answer:

the answer c. represents a one to one function