Solve the problem.Suppose the cost per ton, y, to build an oil platform of x thousand tons is approximated by 
What is the cost per ton for x = 200?
A. $309.52
B. $487.50
C. $325.12
D. $200.91
Answer: A
Mathematics
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For the given functions f(x) and g(x), perform the indicated operation.f(x) = (5x5 - 18x2 + 2), g(x) = (7x5 + 6x2 - 20)Find f(x) - g(x).
A. -2x5 - 24x2 - 18 B. -2x5 - 11x2 - 18 C. -2x5 - 24x2 + 22 D. -4x7
Mathematics
Completely factor the polynomial or state that the polynomial is prime.x4 + 14x2 + 49
A. (x + 7)2 B. (x + 7)(x - 7) C. (x2 + 7)2 D. (x2 - 7)2
Mathematics
Rationalize the denominator. Assume all variables represent positive numbers.
A. 
B. 
C. 
D. 
Mathematics
Find the set if the universal set U = {-8, -3, -1, 0, 2, 4, 5, 6, 7, 9}, A = {-8, -3, -1, 2, 5}, B = {-3, 2, 5, 7}, and C = {-1, 4, 9}.A ? C
A. {-8, -3, -1, 2, 4, 5, 7, 9} B. {4, 6, 7, 9} C. {-1} D. {-3, -1, 2, 5, 7, 9}
Mathematics