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 1100 feet or more? Round your answer to the nearest foot.
A. x < 937 ft or x > 5483 ft
B. x < 947 ft or x > 5473 ft
C. x < 937 ft or x > 5473 ft
D. x < 947 ft or x > 5483 ft
Answer: C
Mathematics
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Solve.The reservoir at the top of a water tower has the shape of a sphere with a radius of 15.1 meters. How many cubic meters of water can the reservoir hold? Use 3.14 for ? to approximate the answer to two decimal places if necessary.
A. 715.95 ft3 B. 10,810.87 ft3 C. 14,414.49 ft3 D. 954.6 ft3
Mathematics
Write the ratio as a percent.
A. 26.00% B. 3.25% C. 32.5% D. 13.00%
Mathematics
Find the average value of the function 
over the plane region R.
and R is the triangle with vertices 
, 
and 
.
?
A. ?5
B. ?
C. 25
D. ?
E. 
Mathematics
Write an equation of the line.
A. y = -6x
B. y = 
x - 6
C. y = 
x - 6
D. y = -6x + 
Mathematics