Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in rectangular form.
5
A. -64
+ 64
i
B. -128 + 128i
C. -64 + 64i
D. - 
+ 
i
Answer: B
Mathematics
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For the given functions f and g, find the indicated value.f(x) = x2 + 5x, g(x) = x + 3(f ? g)(2)
A. 50
B. 17
C. 5
D. 0
Mathematics
Solve the problem.A contractor mixes concrete from bags of pre-mix for small jobs. How many bags with 7% cement should he mix with 5 bags of 19% cement to produce a mix containing 12% cement?
A. 17 bags B. 9 bags C. 12 bags D. 7 bags
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve quadratic equation by factoring.2x2 - 16x + 30 = 0
A. -3, -5 B. 0, 3, 5 C. 3, 5 D. 2, 3, 5
Mathematics