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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Use power series operations to find the Taylor series at x = 0 for the given function.f(x) = x6 ln(1 + 4x)
A. 
B. 
C. 
D. 
Subtract in the indicated base.324 - 234
A. 104 B. 24 C. 94 D. 34
Write in logarithmic form.2-3 = 
A. -3 = log1/8 2
B. 
= log2 -3
C. -3 = log2 
D. 2 = log-3 
A cable railway had a 14-foot-diameter pulley to drive the cable (see the figure). In order to keep the cable cars moving at a linear velocity of 13 miles per hour, how fast would the pulley need to turn (in revolutions per minute)? (1 mi = 5,280 ft)
?
?
If the answer needs rounding, round it to the nearest tenth.
?
__________ rpm
What will be an ideal response?