Solve the problem.Assume that the elevation E, in feet, of a sag in a proposed route is given by 
where x represents the horizontal distance in feet along the proposed route and 0 ? x ? 5000. For what x-values is the elevation 1150 feet? Round your answer to the nearest foot.
A. x = 566 ft or x = 7500 ft
B. x = 556 ft or x = 7500 ft
C. x = 556 ft or x = 7510 ft
D. x = 566 ft or x = 7510 ft
Answer: B
Mathematics
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