Find all cube roots of the complex number. Leave answers in trigonometric form.-6
- 6i
A. 
cis 70°, 
cis 190°, 
cis 310°
B. 
cis 70°, 
cis 190°, 
cis 310°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 80°, 
cis 200°, 
cis 320°
Answer: C
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Find the number of terms in the arithmetic sequence.6, 13, 20, . . . , 174
A. 24 B. 26 C. 25 D. 23
Simplify the expression. Write answer with positive exponents.
A. 715
B. 
C. 77
D. 7-1
Solve the problem.The graph below shows the average retail price of the least-expensive DVD player available at Mega Mart over the past few years. Average Retail Price of Least Expensive DVD Player
a. Use the two points whose coordinates are given to find the slope-intercept form of an equation that models the data.b. Use the equation from part (a) to predict the price of the least expensive DVD player in 2007.
A. a. y = -25x + 194 b. $19 B. a. y = -25x + 56 b. $94 C. a. y = -25x + 56 b. $119 D. a. y = -25x + 194 b. $44
Find the volume generated by revolving about the x-axis the region bounded by the following graph.
A. ?(e8 - e-8)
B. 
(e4 - e-4)
C. ?2(e4 - e-4)
D. 
(e8 - e-8)