Let P={10,20,30} and Q={5,10,15,20}. Which one of the following functions is one – one and not onto?
Posted: Wed Jul 13, 2022 8:06 pm
a) f={(10,5),(10,10),(10,15),(10,20)}
b) f={(10,5),(20,10),(30,15)}
c) f={(20,5),(20,10),(30,10)}
d) f={(10,5),(10,10),(20,15),(30,20)}
b) f={(10,5),(20,10),(30,15)}
c) f={(20,5),(20,10),(30,10)}
d) f={(10,5),(10,10),(20,15),(30,20)}