A manufacturer incurs the following costs in producing x

Last updated: 6/28/2023

A manufacturer incurs the following costs in producing x water ski vests in one day for 0 x 150 fixed costs 245 unit production cost 15 per vest equipment maintenance and repairs 0 05x dollars So the cost of manufacturing x vests in one given day is given by C x 0 05x 15x 245 where 0 x 150 A What is the average cost C x per vest if x vests are produced in one day B Find the critical numbers of C x the intervals on which the average cost per vest is decreasing the intervals on which the average cost per vest is increasing and the local extrema Do not graph A C x B Find the critical numbers of C x Select the correct choice below and if necessary fill in the answer box to complete your choice Use a comma to separate answers as needed OA The critical number s is are x OB There are no critical numbers of C x The average cost per vest is decreasing on the interval s Type your answer in interval notation Use a comma to separate answers as needed The average cost per vest is increasing on the interval s Type your answer in interval notation Use a comma to separate answers as needed Find the local extrema Select the correct choice below and if necessary fill in the answer boxes to complete your choice