Question

se f(x)=x^2+1/x, qual o valor de f(3) +(1/3)

Answer 1

f(x) = x^2 + 1/x

f(3) = 3^2 + 1/3 = 9 + 1/3 = 28/3
f(1/3) = (1/3)^2 + 1/(1/3) = 10/9/1/3 = 30/9 = 10/3

28/3 + 10/3 = 114/9 = 38/3