PRECALCULUS ASSIGNMENTS TO DO BEFORE MIDNIGHT EASTERN TIMES
small Precalculus assignment to do before midnight eastern times Find the inverse function of f informally. f(x) = x ? 4 7 f ?1(x) = Verify that f(f ?1(x)) = x and f ?1(f(x)) = x. f(f ?1(x)) = f = ? 4 7 = x f ?1(f(x)) = f ?1 = 7 +