Question

Calcule as raízes das funções
y=3-3x
f(x)= -x/2+2

Answer 1

y=3-3x ==> 3 - 3x = 0 ==> 3x = 3 ==> x = 1
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f(x)= - x + 2 ==> - x + 2 = 0 ==> - x + 4 = 0  ==> x = 4
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