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.
If youâre interested in costs because your current septic system has failed, then there are even more factors to consider. The EPA states an average cost of $1,200 to $2,500 to revitalize a failed drain field, but a complete removal and replacement can range from $6,000 to as much as $25,000!f youâre interested in costs because your current septic system has failed, then there are even more factors to consider. The EPA states an average cost of $1,200 to $2,500 to revitalize a failed drain field, but a complete removal and replacement can range from $6,000 to as much as $25,000!