Students explore the use of coupons to promote cost saving and help families remain within their monthly budget. In groups students create a shopping list using coupons provided by the teacher. They record the actual cost of the item as...

Students review the general form of the solution to the Dirichlet problem on the rectangle 0 ≤ x ≤ a, 0 ≤ y ≤ b with homogeneous boundary conditions except for u(a, y) = f(y). Then they use the symmetry to find the general form of the...