a. The numbers, if any, at which f has a relative maximum . What are these relative maxima? b. The numbers, if any, at which f has a relative minimum What are these relative minima? a. Find the numbers, if any, at which f has a relative maximum, and find the relative maxima(maximum). Select the correct choice below and, if necessary, fill in the answer boxes to complete y O A. The function f has (a) relative maxima(maximum) at and the relative maxima(maximum) are(is) (Use a comma to separate answers as needed) O B. The function f has no relative maxima b. Find the numbers, if any, at which f has a relative minimum, and find the relative minima(minimum) Select the correct choice below and, if necessary, fill in the answer boxes to complete your O A. The function f has (a) relative minima(minimum) at and the relative minima(minimum) are(is) (Use a comma to separate answers as needed ) O B. The function f has no relative minima