The following table of values represents a qudratic function. X
4
4
2
- 1
0
0
2
1
- 4
-4
-
y
Which of the following is true of the graph?
The vertex is at the origin and the graph opens downward.
The vertex is at the origin, the graph opens downward and is narrower than the graph of y
The vertex is at the origin and the graph opens upward.
The vertex is at (0,4) and the graph opens downward.