Write using radical notation. Then, simplify, if possible.8-2/3
A. - 4
B. - 
C. 
D. 
Answer: C
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Use De Moivre's theorem to simplify the expression. Write the answer in a + bi form.(3(cos 120° + i sin 120°))4
A. 70.15 - 40.5i B. 2.60 - 1.5i C. -1.5 + 2.60i D. -40.5 + 70.15i
Solve the problem.A chair manufacturing company has two different factories. The profit function for Factory I when x chairs are manufactured and sold is as follows: P(x) = -0.05x2 + 20x - 500The profit function for Factory II when x chairs are manufactured and sold is as follows: P(x) = -0.05x2 + 30x - 2500For what number of chairs is the profit the same at both factories, and what is the profit?
A. 200 chairs; $1500 B. 0 chairs; $0 C. 100 chairs; $1000 D. 300 chairs; $2000
Evaluate as requested.A graph of a function f is shown below. Find f(1).
A. 0 B. 1 C. 2 D. -2
Write the domain of the rational function in interval notation.f(x) = 
A. (-?, 9) ? (9, ?) B. (-?, -9) ? (-9, ?) C. (-?, 0) ? (0, ?) ? (-?, -9) ? (-9, ?) D. (-?, ?)