Question

determine x para f(x)=2​

Answer 1

Resposta:

f(x) = x + 2  

y = x + 2

x + 2 = 0  

x = - 2  

f(x) = -2x + 2

y= -2x + 2

-2x + 2 = 0

-2x = -2

x =  \frac{-2}{2}  

x = -1