What is the recursive formula for the sequence? 8, 10, 12, 14, . . 1. an=an-1+2,where a,=8 2. an=an-1+2,where a,=16 3. an-1-2 where a,=2 4. an=an-1-2, where a,=8

You work for a landscape company that just got a contract to re-mulch a park. the area that needs mulching is 30 feet by 60 feet. they want a 3 inch layer of much on the area. the company has bags of mulch that cover 2 cubic yards that cost $4.00 per bag. how much will it cost the consumer just in materials to re-mulch the area (round to the nearest dollar)?