Question

Dada a Função f(x)= -2x+3 o valor de f(1)-f(2)-f(0)

Answer 1

$f(1) = - 2 \times 1 + 3 = 1 \\ f(2) = - 2 \times 2 + 3 = - 1 \\ f(0) = -2 \times 0 + 3 =3 \\ f(1) - f(2) - f(0) = 1 - ( - 1) - 3 = - 1$