Answer: The correct pair of functions that could have been used to create the graphs of q and w is:
q(x) = x² - 18 and w(x) = x²
The vertex of the graph of q is (0, -18) and the vertex of the graph of w is (0, 0). Since the vertex of the graph of q is 18 units below the vertex of the graph of w, this is the pair of functions that would produce the given information.
Explanation: