Question

Dada a função f : RR definida por f (x) = -3x + 1, determine f(-2) + f(1)=?​

Answer 1

$f( - 2) + f(1) = - 3 \times ( - 2) + 1 - 3 \times 1 + 1 \\ f( - 2) + f(1) = 6 + 1 - 3 + 1 \\ f( - 2) + f(1) = 5$