Does the following data best fit a linear, quadratic or exponential model? {(0, 1), (1, 3), (2, 10), (3, 27)}

In terms of x, find an expression that represents the area of the shaded region. the outer square has side lengths of (x+5) and the inner square has side lengths of (x-2), as shown. area: a1 x + a2 square units submit