Solve the problem.The rate of growth of the profit (in millions) from an invention is approximated by 
where x represents time measured in years. The total profit in year 1 that the invention is in operation is $35,000. Find the total profit function. Round to three decimal places where appropriate.
A. P(x) = -0.5e-x2 - 0.219
B. P(x) = -0.5e-x2 - 219,000
C. P(x) = -0.5e-x2 + 219,000
D. P(x) = -0.5e-x2 + 0.219
Answer: D
Mathematics
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Solve the problem.The total cost, c, of an item in dollars, including a 2% sales tax, can be determined by the equation 
where x is the cost of the item before the tax. Determine the total cost of an item whose cost before tax is $277 .
A. $292.54 B. $294.94 C. $282.54 D. $280.20
Mathematics
Let 
. Find the value of the function.
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Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.In how many ways can 7 people be lined up?
A. 7 B. 1 C. 5040 D. 2520
Mathematics
Add.18 + 18.6 + (-29) + (-14.8) + 88
A. 118 B. 73.2 C. 80.8 D. 102.8
Mathematics