19) Left f(x) = -x2+ 1/x. a. Write the difference quotient of f(x) on the interval [x,a]. Simplify as much as possible. b. Let g(x) be the the difference quotient computed in part a. What is the domain of g(x). c. What is the range of g(x) d. Show that g(x) is One-to-One e. Find the inverse of g(x). Make sure you show clean well organized work and circle your final answers