4. The graph shown below is a parabola whose equation is y ax2 + 2, where a is a constant. Ify = 3x2 + 2 is graphed on the same axes, which of the following best describes the resulting graph as compared with the graph above? 6 5 4 3 1 0

What are the domain and range of the function below? a) domain: (-4,0) range: [-2,infinity) b) domain: (-3,0) range: [-2,infinity) c) domain: (-infinity,infinity) range: [-2, infinity) d) domain: [-2,infinity) range: (-infinity,infinity)