Question

Domain of definition of the funtion f(x)= 3/9-x^2 + log

Answer 1

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Answer 2

Answer:

[1,3)U(3,∞)  

39−x2+logx+log(x2−1)

domain of first function (fraction) - all real numbers except 3 and -3

domain of log x - positive real

domain of log x2−1- (1,∞) U (- ∞,-1)

taking the common part we get the above answer