Answer:
f(3) = -4
Step-by-step explanation:
f(3) = f(2)*-1/2; Solve for f(2) first;
f(2) = f(1)*-1/2
f(2) = -16*-1/2
f(2) = 8;
Now get back to f(3);
f(3) = f(2)*-1/2
f(3) = 8*-1/2
