Do you break you into a sweat when you hear the words ‘final exam’? Well, there’s no need to press the panic button.....
Q. If A = { a, b, c } and B = { 1, 2, 3 } and a function f : A
→ B is given by
f = { (a, 2 ) , ( b , 3 ) , ( c , 1 ) } .
Is f a bijective function?