



 
Warren, Since (f/g)(x) = f(x)/g(x) for x to be in the domain of (f/g)(x) it must be in the domain of f and in the domain of g. You also need to insure that g(x) is not zero since f(x) is divided by g(x). Thus there are 3 conditions.
Hence to satisfy all three conditions x x ≥ 5 and x ≠ 5 so the domain of (f/g)(x) is all x satisfying x > 5. Penny  


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