Solve the problem.Suppose a cost-benefit model is given by 
where y is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost for removing 60% of the pollutant.
A. $8 thousands
B. $2 thousands
C. $9.2 thousands
D. $79.5 thousands
Answer: A
Mathematics
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Find the average rate of change of the function over the given interval. g(t) = 
, [4, 7]
A. - 
B. 
C. 2
D. 7
Mathematics
Find the standard deviation s for the given data. Round your answer to one more decimal place than the original data.To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below:$344$354$313$121$213$152$170$135Compute the standard deviation(s).
A. $97.07 B. $471,860.00 C. $405,900.50 D. $174.00
Mathematics
Identify the degree of the polynomial.-x - 3x2 - 4x3 - 2x5 + 3
A. 10 B. 5 C. 1 D. 11
Mathematics
Perform the matrix row operation and write the new matrix.
R1 ? R2
A. 
B. 
C. 
D. 
Mathematics