Question

Seja f: IR* --> IR a função definida por f(x) = x² +1/x. Qual o valor de f(2) + f(5)?

Answer 1

F(2)=4+1/2
F(2)=9/2

F(5)=25+1/5
F(5)=126/5

F(2)+f(5)
9/2+126/5
45+252/10
=297/10