Question

1.Fie f: ?(-3, 0, 3, 6 )-R, f(x) =1-4supra3 ori x .Calculati f(6) -f(-3) 

Answer 1

f(6) =  1 - (4/3)*6 = 1 - 8 = -7;
f(-3) =  1 - (4/3)*(-3) = 1 +4 = 5;
=> f(6) -f(-3) = -35;