Without solving, determine the character of the solutions of the equation in the complex number system.x2 + 3x + 2 = 0
A. a repeated real solution
B. two unequal real solutions
C. two complex solutions that are conjugates of each other
Answer: B
Mathematics
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Perform the indicated operation. If possible, simplify.Multiply:
A. cos2 x B. - cos2 x C. sin2 x - 2sin x - 1 D. sin2 x - sin x - 1
Mathematics
Find the nth, or general, term.5, 25, 125, . . .
A. 5n+1 - 20 B. 5 + 20(n - 1) C. 5n D. 5n-1 + 4
Mathematics
Solve the problem.Decide which of the rational functions might have the given graph. 
A. f(x) = x + 2
B. f(x) = 2x + 
C. f(x) = x + 
D. f(x) = x + 
Mathematics
Solve the problem.Suppose c(x) = x3 - 20x2 + 20,000x is the cost of manufacturing x items. Find a production level that will minimize the average cost of making x items.
A. 10 items B. 12 items C. 11 items D. 9 items
Mathematics