Question

Dada a função f: ℝ  ℝ tal que f(x) = 10 – x, calcule f(– 2).

Answer 1

Oie, tudo bom?

$f(x) = 10 - x \\ ⟶\boxed{f( - 2)} \\ f( - 2) = 10 - ( - 2) \\ f( - 2) = 10 + 2 \\ \boxed{f( - 2) = 12}$

Att. NLE Top Shotta