Factor the sum or difference of two cubes completely.4k3 + 32
A. 4(k + 2)(k2 + 2k + 4)
B. 4(k - 2)(k2 + 2k + 4)
C. 4(k + 2)(k2 - 2k + 4)
D. 4(k + 8)(k2 - 8k + 16)
Answer: C
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Solve the equation exactly in the complex number system.6x3 + 6x = 0
A. x = 0, x = ±1 B. x = 0, x = ±i C. x = -6, x = ±i D. x = ±i
Solve the problem.A book publisher found that the cost to produce 1000 calculus textbooks is $26,800, while the cost to produce 2000 calculus textbooks is $52,500. Assume that the cost C(x) is a linear function of x, the number of textbooks produced. What is the marginal cost of a calculus textbook?
A. $25,700 B. $25.70 C. $0.0257 D. $2.57
Apply the distributive property.3x(3 - x)
A. -3x2 - 9x B. -3x2 + 9x C. 3x2 - 9x D. 3x2 + 9x
Find the following. Assume that the letter can represent any real number.
A. 
B. 
- 3
C. 
D. 49y2 - 42y + 9