Find the x-values of all points where the function has any relative extrema. Find the value(s) of any relative extrema.f(x)=x ex-5Select the correct choice below and, if necessary, fill in any answer boxes within your choice.OA. The function has a relative maximum of at x = and a relative minimum of(Use a comma to separate answers as needed. Type exact answers in terms of e.)OB. There are no relative maxima. The function has a relative minimum of(Use a comma to separate answers as needed. Type exact answers in terms of e.)at x =at x =OC. There are no relative minima. The function has a relative maximum of(Use a comma to separate answers as needed. Type exact answers in terms of e.)D. There are no relative extrema.at x =