A student builds a model of her bathroom. The scale is 1:25. In the scale model, the students bed is 3 inches long.
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Parabolas like have the y-axis as their symmetry axis, so options B and D are surely wrong.
Moreover, parabolas like have the x-axis as their symmetry axis. If
the parabola is concave rightwards, if
the parabola is concave leftwards.
Since your parabola is concave leftwards, the only feasible option is