określ dziedzinę funkcji f. potrzebne na juz !!
Z gory dzieki
f(x)= √-x
f(x)= 1/x
f(x) = √-x
D: x ≤ 0 x ∈ (-oo; 0>
f(x) = 1/x
D: x ∈ R - {0}
----------------------------------------------------------------------------------------------------
Litterarum radices amarae sunt, fructus iucundiores
Pozdrawiam :)
f(x)=\/-x
-x>=0
x=<0
D=(-oo, 0>
F(x)=1/x
x=/0
D=R\{0}
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f(x) = √-x
D: x ≤ 0 x ∈ (-oo; 0>
f(x) = 1/x
D: x ∈ R - {0}
----------------------------------------------------------------------------------------------------
Litterarum radices amarae sunt, fructus iucundiores
Pozdrawiam :)
f(x)=\/-x
-x>=0
x=<0
D=(-oo, 0>
F(x)=1/x
x=/0
D=R\{0}