A contractor is engaged to build steps up the slope of a hill that has the shape
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A contractor is engaged to build steps up the slope of a hill that has the shape of the graph of y = x2(120 − x)/6400 for 0 ≤ x ≤ 80 with x in meters (Figure 23). What is the maximum vertical rise of a stair if each stair has a horizontal length of 1/3 m?
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40 20 20 40 60 80 ➤X
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Let fx x120 x6400 Because the horizontal length of each stai...View the full answer
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