?42 ftA building has an entry the shape of a parabolic arch 4 ft high and 42 ft wide at the base. Find an equation for the parabola if the vertex is put at the origin of the coordinate system. Round any coefficients to one decimal place if necessary.
A. y2 = -441x
B. y2 = -110.3x
C. x2 = -110.3y
D. x2 = -441y
Answer: C
Mathematics
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