The Council may, by ordinance or resolution, establish and regulate any board or commission to advise the Council with respect to any City function or activity, to investigate any subject of interest to the City, or to perform quasi judicial functions. The Council may, by ordinance, establish and regulate any administrative board or commission, and by such ordinance specify the powers and duties of such board or commission. Any board or commission may be abolished by action of the Council similar to that by which it was established. Members of boards and commissions shall be appointed by the Mayor and confirmed by the Council.