Solve the problem.The length of one arch of the curve y = 3 sin 2x is given by L = 
Estimate L by the Trapezoidal Rule with n = 6.
A. 5.8169
B. 6.2807
C. 6.4115
D. 6.1995
Answer: B
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Solve the problem.Southwest Dry Cleaners believes that it will need new equipment in 6 years. The equipment will cost $26,000. How much should be invested today at 2% compounded semiannually, to yield $26,000?
A. $24,548.93 B. $23,073.68 C. $25,169.60 D. $24,487.71
The hyperbola shown in the calculator-generated graph was graphed in function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?
10
-10
A. y1 = 3
, y2 = -3
B. y1 = 6
, y2 = -6
C. y1 = 6
, y2 = -6
D. y1 = 6
, y2 = -6
Write the interval as an inequality involving x. Graph the inequality.[-5, -1)
A. -5 < x ? -1
B. -5 ? x < -1
C. -5 < x < -1
D. -5 ? x ? -1
Solve the problem.Laura borrows $5000 at a rate of 9% compounded monthly. Find how much Laura owes at the end of 4 years.Use: A = P
ntwhere:A = final amountP = $5000 (the amount borrowed)r = 9% = 0.09 (the annual rate of interest)n = 12 (the number of times interest is compounded each year)t = 4 (the duration of the loan in years)
A. $7157.03 B. $5151.70 C. $7872.73 D. $241,800.00