Question

Let f : R → R be defined by

f(x) = { 2x : x >3, x² : 1<x≤3, 3x : x≤} 

or,

Then f (– 1) + f (2) + f (4) is

(A) 9 

(B) 14

(C) 5 

(D) none of these

Answer 1

Answer is (A)