Graph the function.y = -2 sin 3x
A. 
B. 
C. 
D. 
Answer: A
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Find the standard deviation for the given data. Round your answer to one more decimal place than the original data.The numbers listed below represent the amount of precipitation (in inches) last year in six different U.S. cities. 19.9?18.8?35.4?33.4?11.0?11.3Compute the standard deviation s.
A. 2808.0 in. B. 3366.9 in. C. 34.4 in. D. 10.57 in.
Use limit methods to determine which of the two given functions grows faster or state that they have comparable growth rates. ln6x; x5ln4x
A. Comparable rates B. ln6x C. x5ln4x
Solve the problem.A 100-liter mixture of chlorine and water is 8% chlorine. (i) Write a rational expression in x whose values give the percentage (in decimal form) of the mixture that is chlorine when x gallons of water are added to the mixture. (ii) Find the percentage of chlorine in the mixture if 70 gallons of water are added to it. Round to the nearest percent, if necessary.
A. (i) 
;
(ii) 11%
B. (i) 
;
(ii) 154%
C. (i) 
;
(ii) 5%
D. (i) 
;
(ii) 8%
Solve the problem.A small business owner made $30,000 the first year he owned his store and made an additional 
over the previous year in each subsequent year. Find how much he made during his fourth year of business. Find his total earnings during the first four years. (Round to the nearest cent, if necessary.)
A. $0.24; $30,612.24 B. $31,836.24; $123,648.24 C. $62,208.00; $223,248.00 D. $51,840.00; $161,040.00