Appendix D - Graphing Techniques - Exercises - Page 449: 45

See Graph I

For $y = x^2 + 2,$ when $x = 2, y = 6;$ $x = 1, y = 3;$ $x = 0, y = 2;$ $x = −1, y = 3;$ $x = −2, y = 6$ As seen, $y = x^2 + 2$ is the vertical translation of $y = x^2$ up by 2 units also. Domain = $(−\infty, \infty)$ Range = $[2, \infty)$