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

CEVAP:

If a rule defining a function is given but the domain has not been specified explicitly, then
the largest set which makes the rule meaningful is understood. This set is denoted by Df
for the rule y=f (x) and is called the natural domain of the function.