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Suppose a person travels at a rate of 3 ft/hr toward the foot of a street lamp pole 63 ft high. The height of the person is 5.6 ft. At what rate is the distance from the head of the person to the top of the street lamp changing when 84 ft from the bottom of the street lamp? Note: Round your answer to 4 decimal places. O 2.4769 ft/hr O -0.4037 ft/hr O 2.3236 ft/hr O o ft/hr O none of the other answers O 2.4000 ft/hr O -2 ft/hr O 0.4037 ft/hrRevenue. Suppose the graph of the revenue REX) and cost C(x) are shown below where Rip!) = x22x+2 and C(x}=x2+2 The prot, or the area enclosed between the two curves is O 6.75 O 0 0 0.3333 0 10.655? 0 6.75 0 10.655? 0 0.3333 0 none of the other answers