Solve the problem.A cost-benefit model expresses the cost of an undertaking in terms of the benefits received. One cost-benefit model gives the cost in thousands of dollars to clean up x percent of an oil spill as
Another model produces the relationship 
Find the cost function found by averaging the two models. Simplify the expression for this function by performing the indicated operations.
A. c(x) = 
B. c(x) = 
C. c(x) = 
D. c(x) = 
Answer: A
Mathematics
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Write the number in scientific notation.58.7
A. 5.87 × 10-1 B. 5.87 × 102 C. 5.87 × 10-2 D. 5.87 × 101
Mathematics
Find the value of the indicated variable for the values given.A = 
(b + B)h; determine h when A = 88, b = 12 and B = 10
A. 8 B. 11 C. 66 D. 120
Mathematics
Graph the inequality.x2 + 4y2 ? 16
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Water is steadily pumped out of a flooded basement. Let v be the volume of water (in thousands of gallons) that remains in the basement t hours after water begins to be pumped. A linear model is shown. How much water will be in the basement after 2 hours of pumping?
A. 16 thousand gallons B. 4 thousand gallons C. 6 thousand gallons D. 3 thousand gallons
Mathematics