RRB Government Jobs Exams

If f(x) = x^2+1 for x>0, then f -1(x) =

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RRB Other Question

Solve -:
(x^2 + 6x + 9) =
The domain of f(x) = ln(2 - x) + ln(3 - x) is given by
A. (-infinity , 2)
B. (2 , 3)
C. (-infinity , 3)
D. (-infinity , 2]