Chapter 9 - Quadratic Functions and Equations - 9-1 Quadratic Graphs and Their Properties - Practice and Problem-Solving Exercises - Page 538: 32

Domain: all real numbers Range: [12, infinity)

The variable is not in the denominator, so the domain is all real numbers. The vertex is at (0,12), and this is the lowest point on the graph. Thus, the range starts at 12 and goes to infinity.