Question

Qual o valor numerico de f(x)=-x+4
F(2)=
F(0)=
F(-2)=

Answer 1

$f(2) = - 2 + 4 = 2 \\ \\ f(0) = - 0 + 4 = 4 \\ \\ f( - 2) = - ( - 2) + 4 = + 2 + 4 = 6$