The predicted cost C (in thousands of dollars) for a company to remove p% of a chemical from its waste water is given by the model
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.
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Write the partial fraction decomposition for the rational function. Verify your result by using the table feature of a graphing utility to create a table comparing the original function with the partial fractions.
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A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Subtract.(0.18) - (-0.76)
A. 0.68 B. 0.94 C. -0.1368 D. 0.58
Mathematics
Use the composition cancellation equations to decide whether or not the functions are inverses of each other.f(x) = (x - 2)2, x ? 2 and g(x) = 
A. Yes B. No
Mathematics
Solve the problem.The weight that a horizontal beam can support varies inversely as the length of the beam. Suppose that a 5-m beam can support 480 kg. How many kilograms can a 2-m beam support?
A. 0.0208 kg B. 48 kg C. 0.0008 kg D. 1200 kg
Mathematics
Evaluate the terms of the sum using the given information.x1 = 2, x2 = 3, x3 = -1, x4 = -3, and ?x = -0.9; f(x) = 
(Round to the nearest tenth, if necessary.)
A. -0.2 - 0.3 + 0.2 + 0.7 B. 0.4 + 0.7 - 0.1 - 0.3 C. 0.4 - 0.3 + 0.2 - 0.3 D. -0.2 + 0.7 - 0.1 + 0.7
Mathematics