Question

determine os zeros das funções a seguir f(x)= × +4
_
2

​

Answer 1

$\displaystyle \mathsf{f(x) = \frac{x + 4}{2}} \\ \displaystyle \mathsf{ \frac{x + 4}{2} = 0} \\ \displaystyle \mathsf{x + 4 = 2.0} \\ \displaystyle \mathsf{x + 4 = 0} \\ \displaystyle \mathsf{x = - 4}$