Simplify. Assume that all variables represent positive real numbers.
A. 2
B. 4
C. 3
D. 5
Answer: A
Mathematics
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Solve the problem.Suppose that a cost-benefit model is given by ?f(x) = 
where f(x) is the cost in thousands of dollars of removing x percent of a given pollutant. What is the vertical asymptote of the graph of this function? What does this suggest about the possibility of removing all of the pollutant? Explain your reasoning.
What will be an ideal response?
Mathematics
Solve by completing the square.y2 + 3y - 9 = 0
A. 
B. 
C. 
D. -3 ± 3
Mathematics
Find the indicated term of the geometric sequence.a1 = -5, r = -2; find a11
A. -5116 B. -5120 C. -25 D. 10,240
Mathematics
The pair of figures is similar. Find the missing side. Round to the nearest tenth, if necessary.
A. n = 216 mi B. n = 24 mi C. n = 6 mi D. n = 1.5 mi
Mathematics