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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Solve the initial value problem.
= -98cos (7t), s '(0) = 8, s(0) = 8
A. s = 14 cos (7t) + 8t - 6 B. s = 2 cos (7t) + 6 C. s = 2 cos (7t) + 8t + 6 D. s = -14 sin (7t) + 8
Solve the problem.The table contains data that can be modeled by an exponential function of the form 
Use regression to determine an exponential function f that models this data. Round the coefficients to the nearest hundredth.
A. f(x) = (1.09)(527.34)x B. f(x) = (567.57)(0.17)x C. f(x) = (0.17)(567.57)x D. f(x) = (527.34)(1.09)x
Multiply mentally.2x2(2x3 + 3x2 - 5x)
A. 4x4 + 6x3 - 10x2 B. 4x5 + 6x4 - 10x2 C. 4x5 + 6x4 + 5x3 D. 4x5 + 6x4 - 10x3
Find the ordered pair for the vertex.f(x) = -2x2 - 12x - 17
A. (3, -1) B. (-1, 3) C. (1, -3) D. (-3, 1)