Functions Question 287
Question: Domain of the function $ \log |x^{2}-9| $ is
Options:
A) R
B) $ R-[-3,\ 3] $
C) $ R-{-3,\ 3} $
D) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
For $ x=-3,3,,|x^{2}-9|,=0 $ Therefore $ \log ,|x^{2}-9|, $ does not exist at $ x=-,3,3. $ Hence domain of function is $ R-{ -,3,3 }. $