Question

1) A=(1,2,3)
B = {4,5,6)
Write the following function and also draw its diagram.
1) A function f from A to B.
ii) A function f from A onto B.
iii) A one-one function f from A to B.​

Answer 1

Answer:

number of function from A to B = 3^3=27

number of onto functions from A to B =3! = 6

number of one one functions from A to B =3!=6