Resposta :
Resposta:
a) f(x) = 2x + 3
2x + 3 = 0
2x = 3
x = 3/2
b) f(x) = -2x + 1
-2x + 1 = 0
-2x = - 1 .(-1)
2x = 1
x = 1/2
Bons estudos!
Resposta:
a) f(x) = 2x + 3
2x + 3 = 0
2x = 3
x = 3/2
b) f(x) = -2x + 1
-2x + 1 = 0
-2x = - 1 .(-1)
2x = 1
x = 1/2
Bons estudos!