1a. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.A. The function f has (a) relative maxima(maximum) at __(Use a comma to separate answers as needed.)and the relative maxima(maximum) are(is) __1B. The function f has no relative maxima.b. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice.A. The function f has (a) relative minima(minimum) at __(Use a comma to separate answers as needed.)and the relative minima(minimum) are(is) __s welB. The function f has no relative minima