The Falls Incline Railway in Niagara Falls, Ontario, Canada Is $$a = 180$$

The Falls Incline Railway in Niagara Falls, Ontario, Canada is an inclined railway that was designed to carry people from the City of Niagara Falls to Queen Victoria Park.The railway is approximately 180 feet long with a 42% uphill grade (see figure) .Select the graph of the equation of the line that models the railway track. $$a = 180$$

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