Shingles - causes, symptoms, treatment, vaccination. Shingles is a viral infection, the first symptom of which is usually a tingling, sharp, burning pain under the skin, followed after 1-3 days by a red rash and blisters. Shingles is caused by the same virus as chickenpox (varicella zoster).
Rating: Be the first to rate this item. O.F.A.C. stands for the Office of Foreign Assets Control and is a part of the U. S. Department of the Treasury. The following definition was found on the OFAC web site:
Therefore f -1(x) = Â½(x - 1) f-1(x) is the standard notation for the inverse of f(x). The inverse is said to exist if and only there is a function f-1 with ff-1(x) = f-1f(x) = x. Note that the graph of f-1 will be the reflection of f in the line y = x.