\f(b) Select the correct choice below and ll in any answer boxes within your choice. til: A. The ualuets} of x at which f has a local minimum isiare 3:; = [T we an integer. Use a comma to separate answers as needed.) 2: E. There are no values of x at which t has a local minimum. Select the correct choice below and ll in any answer boxes within your choice. Ci 34- The local minima is-'are 3r = ("Type an integer. Use a comma to separate answers as needed.) til: B. There are nolocal minima