Question

preciso de cálculo, por favor alguém me socorre​

Answer 1

$f(-3) = P = \frac{f(1) + 2.f(10)}{f(5) + 17} = \frac{-5 + 2.8}{5 + 17} = \frac{16 - 5}{22} = \frac{11}{22} = \frac{1}{2} = P\\\\P^2 = (\frac{1}{2})^2 \boldsymbol{= \frac{1}{4}}$