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 of removing 40% to the nearest dollar.
A. $6500
B. $4333
C. $666
D. $2600
Answer: B
Mathematics
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Determine whether the graph is the graph of a function.
A. Not a function B. Function
Mathematics
Solve the problem.If $3500 is invested in an account that pays interest compounded continuously, how long will it take to grow to $10,500 at 6%? Round to the nearest tenth.
A. 6.6 years B. 11.0 years C. 18.3 years D. 18.4 years
Mathematics
Solve the system of equations by the addition method.
A. (0, 0) B. (0, -14) C. (-6, -8) D. no solution
Mathematics
Find the compound amount for the deposit if interest is compounded annually. Round your answer to the nearest cent.$4000 at 4% for 5 years
A. $4800.00 B. $4679.43 C. $4640.00 D. $4866.61
Mathematics