MATHEMATICS I (MATEMATİK I) - (İNGİLİZCE) Dersi Functions and Their Graphs soru detayı:

CEVAP:

The largest domain of the function f(x)= 1/x is the set which makesthe rule meaningfull. f(x)= 1/x
makes sense if its denominator isnot zero, i.e. x ? 0 should be satisfied. Thus, the largest domain Df should be taken as R ›R\{0}.