Let f:N N be a function such that f(m + n) = f(m) + f(n) for every m, n N. If f(6) = 18, then f(2) (3) is...

Question

Let f:N N be a function such that f(m + n) = f(m) + f(n) for every m, n N. If f(6) = 18, then f(2) (3) is equal to :

Accepted Answer

(B)

JEE Main 2021 Mathematics question