Solve.The cost of stainless steel tubing varies jointly as the length and the diameter of the tubing. If a 
length with diameter 2 inches costs $48.00 , how much will a 
length with diameter 
cost?
A. $429.60
B. $437.30
C. $437.57
D. $432.00
Answer: D
Mathematics
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Reverse the order of integration and then evaluate the integral.
A. 4e16 - 68
B. e16 - 1
C. e16 - 
D. 
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Answer the question about the given function.Given the function f(x) = -4x2 + 8x + 4, if x = 1, what is f(x)? What point is on the graph of f?
A. -8; (1, -8) B. -8; (-8, 1) C. 8; (8, 1) D. 8; (1, 8)
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Answer True or False to the statement.Every integer is an irrational number.
A. True B. False
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Graph the inequality.y < -x - 2
A. 
B. 
C. 
D. 
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