The height of the tunnel at the center is 35ft, and the vertical clearance must be 21 ft at a point of 8ft from the center. Find an equation for the parabola. INCLUDE WORK.

y=-0.215x^2+35

Step by Step:

Let, ,  , ,

We know that, the general equation of the parabola.

Substitute the  value of in equation and find the value of

Hence, the equation of the parabola is:

7

step-by-step explanation:

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