Solve the equation in the real number system.x3 + 6x2 - 14x + 16 = 0
A. {-8}
B. {-8, 8}
C. {1}
D. {8}
Answer: A
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Solve the problem.Assume that the sales of a computer retail store are approximated by a linear function. Sales were 
in 1984 and 
in 1989. Let x = 0 represent 1984. Find the equation giving yearly sales. Estimate sales in 1992.
A. y = 340,000x + 770,000 y = 3,830,000 in 1992 B. y = 510,000x + 770,000 y = 4,850,000 in 1992 C. y = 408,000x + 770,000 y = 4,034,000 in 1992 D. y = 510,000x + 770,000 y = 4,340,000 in 1992
Indicate whether the equation illustrates the additive identity property, multiplicative identity property, additive inverses, or multiplicative inverses.-7.2 + 7.2 = 0
A. Multiplicative identity B. Additive identity C. Multiplicative inverse D. Additive inverse
Solve. Provide answers in interval notation.
> 0
A. [16, ?] B. (-16, ?) C. (16, -?) D. (-?, 16)
Write the English phrase as an algebraic expression. Let the variable x represent the number.Twice a number, increased by 79
A. 2x - 79 B. 2x + 79 C. 2(x + 79) D. x + 79