Solve the problem.The purchasing power of a dollar is decreasing at the rate of 2.8% annually, compounded continuously. How long will it take for the purchasing power of $1.00 to be worth $0.33? Round answers to the nearest hundredth.
A. 0.40 yr
B. 3.96 yr
C. 39.60 yr
D. 11.79 yr
Answer: C
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The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds.s = 7t - t2, 0 ? t ? 7Find the body's speed and acceleration at the end of the time interval.
A. 21 m/sec, -14 m/sec2 B. 7 m/sec, - 2 m/sec2 C. 7 m/sec, -14 m/sec2 D. -7 m/sec, - 2 m/sec2
Solve the problem. Round to the nearest tenth of a cent when necessary.Find the tax rate expressed as tax per $1 of assessed value in a municipality that has budgeted expenses of $5,980,000 and has property assessed at $410,940,000.
A. 68.72 cents per $1 assessed value B. 1.46 cents per $1 assessed value C. 6.87 cents per $1 assessed value D. 0.15 cents per $1 assessed value
Provide an appropriate response.The volume of a company's sales y (in thousands of dollars) is related to its advertising expenditures x (in thousands of dollars) by the equation 
Find 
.
What will be an ideal response?
Find the final amount.$4000 invested at 8% compounded semiannually for 6 years
A. $6347.50 B. $5061.28 C. $5920.00 D. $6404.13