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Doran wants to graph g(x) = 4x^2 - 24x + 7. He ends up with the graph
shown. He knows it will have a y-intercept at (0,7), because c=7. He knows
that -b/2a will give him the axis of symmetry, or the x-coordinate of the
vertex. When he calculates -b/2a, he gets -3. which he substitutes back
into the function, and gets 115. He puts those together, for a vertex of (-3,
115). However, that isn't the vertex on his graph. What mistake did Doran
make, and what result should he have gotten? Explain clearly, referring to
the axis of symmetry, and vertex of the parabola specifically, and
numerically. *
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