Order the group of quadratic functions from widest to narrowest graph.
y = 6x^2, y = -4.5x^2, y = -x^2
The group of quadratic functions ordered from widest to narrowest graph is:
1. y = 6x^2 (widest graph)
2. y = -4.5x^2
3. y = -x^2 (narrowest graph)