Question

sendo f(x)=3^x e g(x)=(1/2)^x quanto vale f(2)+g(-3):
A)11
B)13
C)17
D)25
E)41

Answer 1

f(2) = 3^2 = 9
f(-3) = 1/2^-3 = 2^3 = 8
f(2) + f(-3) = 9 + 8 = 17