Given the coordinates of the vertices of a quadrilateral, determine whether it is a square, a rectangle, or a parallelogram.
A(4, 3), B(6, 3), C(6, 5), D(4, 5)

Which statement best explains whether the table represents a linear or nonlinear function? input (x) output (y) 2 5 4 10 6 15 8 20 it is a linear function because the input values are increasing. it is a nonlinear function because the output values are increasing. it is a linear function because there is a constant rate of change in both the input and output. it is a nonlinear function because there is a constant rate of change in both the input and output.