If A = {2, 4, 6, 8} and B = {2, 3, 5, 7, 9}. Which of the following is a function from A to B?
If f (x) is a cubic polynomial such that f (1)=1,f (2)=2,f (3)=3 and f (4)=16. Find the value of f (5).
If A = {1, 2, 3, 4} and B = {5, 6, 7, 8}, then which function is one-one and onto?