3. Given a function f(x)= from answer the following questions. a) Find the roots of f (x). b) Find the vertical asymptotes ("VA"). c) Find the horizontal asymptotes ("HA"). d) Compute f(x) to find the critical numbers. e) Compute " (x) to find inflection numbers.2. A rectangular flower bed has the dimension x feet by y feet. The perimeter of the flower bed must be 40 feet a] Draw a figure and declare the variable that is still undefined. b) Find the primary equation, which has only one variable. c) Find the feasible domain. d) Find the dimension of the bed that maximizes its area