Question

Let A = {1, 2, 3}, B = {4, 5, 6, 7} and let f = {(1, 4), (2, 5), (3, 6)} be a function from A to B. Show that f is one-one.

Answer 1

f is one one becoz given us f is define from A to B{(1 4) (2 5) (3 6)}

Answer 2

 F is definite or fixed from A to B{(1 4) (2 5) (3 6)}.