Use the first derivative test to determine the location of each local extremum and the value of the function at this extremum. f(x)=xx-2 COLES Identify the location and function value of the maximum of the function, if any. Select the correct answer below and, if necessary, fill in any answer boxes within your choice OA. The function has a local maximum of at x = (Use a comma to separate answers as needed. Type exact answers in simplified form.) OB. The function does not have a local maximum. Use the first derivative test to determine the location of each local extremum and the value of the function at this extremum. KIIS Identify the location and function value of the maximum of the function, if any. Select the correct answer below and, if necessary, fill in any answer boxes within your choice. OA. The function has a local maximum of at x = (Type an integer or decimal rounded to four decimal places as needed.) OB. The function does not have a local maximum.