Resposta :
Oi!
[tex] f(x) = -2x + 5 [/tex]
[tex] 0 = -2x + 5 [/tex]
[tex] 2x = 5 [/tex]
[tex] x = \frac{5}{2} [/tex]
[tex] \boxed{x=2.5}[/tex]
Oi!
[tex] f(x) = -2x + 5 [/tex]
[tex] 0 = -2x + 5 [/tex]
[tex] 2x = 5 [/tex]
[tex] x = \frac{5}{2} [/tex]
[tex] \boxed{x=2.5}[/tex]