O domínio da função f left parenthesis x comma y right parenthesis equals fraction numerator x plus y over denominator square root of y minus x end...
O domínio da função f left parenthesis x comma y right parenthesis equals fraction numerator x plus y over denominator square root of y minus x end root end fraction é dado por:
a.
D left parenthesis f right parenthesis equals left curly bracket left parenthesis x comma y right parenthesis element of straight real numbers squared vertical line y not equal to x right curly bracket
b.
Nenhuma das alternativas anteriores.
c.
D left parenthesis f right parenthesis equals straight real numbers squared
d.
D left parenthesis f right parenthesis equals left curly bracket left parenthesis x comma y right parenthesis element of straight real numbers squared vertical line y greater than x right curly bracket
e.
D left parenthesis f right parenthesis equals left curly bracket left parenthesis x comma y right parenthesis element of straight real numbers squared vertical line y greater or equal than x right curly bracket
O domínio da função f(x,y) = (x+y)/√(y-x) é dado por:
D(f) = { (x,y) ∈ R² | y > x }
Portanto, a alternativa correta é a letra d) D(f) = { (x,y) ∈ R² | y > x }.
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