[tex]y = {x}^{2} + 2x + 1 \\ y(1) = {1}^{2} + 2 \times 1 + 1 = 1 + 2 + 1 = 4 \\ y( - 2) = ( - 2) {}^{2} + 2 \times ( - 2) + 1 = 4 - 4 + 1 = 1[/tex]