The function represents the rate of flow of money in dollars per year. Assume a 10-year period and find the present value.f(x) = 1000e-0.04x at 7% compounded continuously
A. $27,310.60
B. $18,219.69
C. $12,117.01
D. $6064.81
Answer: D
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Use a calculator to approximate the number. (Round your answer to three decimal places.)
A. -3.176 B. 11162.377 C. -11159.051 D. -3.970 E. 5.548
The average enrollment E at a nearby school t years after 2010 is given by the following table. Use an exponential model for these data to determine the yearly percentage decrease in enrollment each year since 2010. Round your answer to two decimal places. t 0 1 2 3 E 756.00 672.84 598.83 532.96?
A. 11.00% B. 14.00% C. 89.21% D. 89.00%
Solve the problem.The manager of a coffee shop has one type of coffee that sells for $5 per pound and another type that sells for $12 per pound. The manager wishes to mix 60 pounds of the $12 coffee to get a mixture that will sell for $10 per pound. How many pounds of the $5 coffee should be used?
A. 42 lb B. 24 lb C. 12 lb D. 84 lb
State the degree and leading coefficient of the polynomial function.f(x) = -4(x + 9)2(x - 9)2
A. Degree: 2; leading coefficient: 1 B. Degree: 2; leading coefficient: -4 C. Degree: 4; leading coefficient: -4 D. Degree: 4; leading coefficient: 1