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. Based on the given information, f is best defined as:

Options

A. Surjective function
B. Injective function
C. Bijective function
D. function

Answer

B