Answer:
b) all real values of x except x = 5
Step-by-step explanation:
Given functions,



By substituting the values,

Which is a rational function,
Since, a rational function is defined for all real values except those for which the denominator = 0,
That is,
x - 5 = 0
⇒ x = 5
Hence, the domain of (f/g)(x) are all real values of x except x = 5
,
Option b) is correct.