We will have an absolute maximum (or minimum) at provided f(c) is the largest (or smallest) value that the function will ever take on the domain that we are working on. Also, when we say the âdomain we are working onâ this simply means the range of xâs that we have chosen to work with for a given problem.
Thompson's slope is about one percent, so each structure manages a zone of about nine acres. At $500 to $2,000 per structure, the drainage water management structures only added about five to 15 percent to the cost of upgrading the field's century-old drainage system.t $500 to $2,000 per structure, the drainage water management structures only added about five to 15 percent to the cost of upgrading the field's century-old drainage system.
This is always the first question a farmer asks a drainage contractor invited to look at land on which drainage improvement is being considered. The contractor dodges this direct question, which he will answer later, by asking questions that might affect that cost. It could be $400 to $800 per acre, more or less.Contractor wants to know how much work you plan to do. They have a fixed cost in moving all their equipment to your job. When they can spread this over more feet on larger jobs, the unit cost is usually less.t may cost a bit more for a contractor to install clay tile as the work load is higher and the pace slower. Should you farm on sandy soil, you may need a filter sock on the drainage tubing. This adds about 11 a foot to the cost.