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 1300 feet or more? Round your answer to the nearest foot.
A. x < 893 ft or x > 5959 ft
B. x < 893 ft or x > 5969 ft
C. x < 883 ft or x > 5959 ft
D. x < 883 ft or x > 5969 ft
Answer: C
Mathematics
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