Find zw or 
as specified. Leave your answer in polar form.z = 1 + iw = 
- iFind zw.
A. 2
(cos 345° + i sin 345°)
B. 2
(cos 15° + i sin 15°)
C. 2
(cos 75° + i sin 75°)
D. 
(cos 15° + i sin 15°)
Answer: B
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Plot on the same axes the given function along with the Maclaurin polynomials of orders 1, 2, and 3.
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Find the Taylor polynomial of order 3 generated by f at a.f(x) = x2 + x + 1, a = 3
A. P3(x) = 4 + 7(x - 3) + 10(x - 3)2 B. P3(x) = 13 + 7(x - 3) + (x - 3)2 C. P3(x) = 1 + 3(x - 3) + 3(x - 3)2 + (x - 3)3 D. P3(x) = 13 + 7(x - 3) + 7(x - 3)2 + 13(x - 3)3
A company installs 5,000 light bulbs. The lifetimes of the lightbulbs are approximately normally distributed with a mean of 500 hours and a standard deviation of 100 hours. Find the approximate number of bulbs that can be expected to last the indicated amount of time.More than 400 hours
A. 4,195 B. 4,219 C. 4,205 D. 2,207
Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 