Factor.512y3 + 1
A. (8y + 1)(64y2 - 8y + 1)
B. (8y - 1)(64y2 + 8y + 1)
C. (512y + 1)(y2 - 8y + 1)
D. (8y + 1)(64y2 + 1)
Answer: A
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Find the domain and range of the relation.
A. domain: (-?, ?), range: (-?, 2] B. domain: (-?, 1], range: (-?, 2] C. domain: (-?, 1) or (1, ?), range: (-?, 2] D. domain: (-?, ?), range: (-?, ?)
Solve the equation.
= -9
A. -15 B. 45 C. 1 D. -14
Solve the problem.A rule for estimating the number of board feet of lumber that can be cut from a log depends on the diameter of the log. To find the diameter, d, required to get 7 board feet of lumber, we use the equation 
Solve this equation for d. Are both answers reasonable?
A. 28, -28; No, only 28 feet is a reasonable answer. B. 32, -24; No, only 32 feet is a reasonable answer. C. 24, -32; No, only 24 feet is a reasonable answer. D. 11, -28; No, only 11 feet is a reasonable answer.
State the conjugate of the given binomial.x - 2
A. -x + 2
B. 
C. x + 2
D. -x - 2