Determine o dominio das funções a seguir:?
a) f(x)= 4x+2
b) f(x)= 2x/4x+2
c) f(x)= raiz quadrada de 4x+2
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a) f(x)= 4x+2
b) f(x)= 2x/4x+2
c) f(x)= raiz quadrada de 4x+2
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Verified answer
A)
*********
x ∈ R
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b)
4x + 2 ≠ 0
4x ≠ -2
x ≠ -2/4
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x ≠ - 1/2
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C)
4x +2>=0
4x >= -2
x >= -2/4
*************
x >= -1/2
************
é isso...
:)