Question

3)Se f(x) = 16^1+1/x, então calcule f(-1) + f(-2) + f(-4)

Answer 1

f(-1) = 16^(1 - 1) = 16^0 = 1
f(-2) = 16^(1 - 1/2) = 16^(1/2) = √16 = 4
f(-4) = 16^(1 - 1/4) = 16^(3/4) = √√16³ = √√4096 = √64 = 8

f(-1) + f(-2) + f(-4) = 1 + 4 + 8 = 13