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How to solve 4(6y+3)>28 and also how to solve 2x^2-2x-40<0? How can you get the sum of alternating numbers (-3)+9/4+(-27/16)+81/64? In how many ways can 8 awards be distributed on 4 students? What is the inverse of the function below?
F(x) = x - 4 A.F ^-1(x) = -x + 4 B.F^ -1(x) = x - 4 C.F ^-1(x) = -x - 4 D. F ^-1(x) = x + 4? How to find the exact value of (sin(2arccos(1/5))?