Question

let x={1, 2,3,4} and y={a, b, c}, then the mapping f:x--->y defined by f(1) =a, f(2) =b, f(3) =a, f(4) =b is


(a).one-one into
(b) one-one onto
(c) many one-into
(d) none of the above​

Answer 1

Step-by-step explanation:

let x={1, 2,3,4} and y={a, b, c}, then the mapping f:x--->y defined by f(1) =a, f(2) =b, f(3) =a, f(4) =b is