RRB Government Jobs Exams

If f(x) = ln(x + 1) - 2, then f-1(x) =
A. ex + 1 - 2 B. ex - 2
C. ex + 2 - 2 D. ex + 2 - 1

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RRB Other Question

The number of points of intersections of the graphs of y = 2x and y = -x^2 + 2 is equal to For all x real, (x^2 -4x + 4) =
A. x - 2
B. x + 2x + 2
C. |x - 2|
D. x + 2