7.5: Vertical Curves

a vertical summit parabolic curve has vertical offset of 0375 m from the curve to the grade tangent at sta 10050 the curve has slope of 496 and 296 grades intersecting at the pi the offset d 99144

SOLVED:The vertical line test to determine whether a curve is the graph of a function states: If every vertical line in the x y -plane intersects a given curve in at most one point, then the curve is the graph of a function. Explain why this is true.