Question: show all the work please 1. The vertical axis represents the height and the horizontal axis the width of a parabolic tunnel. Find the equation

show all the work please

1. The vertical axis represents the height and the horizontal axis the width of a parabolic tunnel. Find the equation that describes the arch that is the border of the tunnel. 6 5 4 3 2 15 30 45 60 75 90 105 120 135 2. Determine the value of the discriminant for the quadratic equation y =1.4x2 - 6x + 5 and use that value and the coefficients of the equation to explain how you know if the vertex of the graph of this equation is above or below the x-axis

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