Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = 6, x = 8
B. x = 2, x = -2
C. x = 0
D. x = -6, x = -8
Answer: A
Mathematics
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A. 6(cos 90° + i sin 90°) B. 6(cos 0° + i sin 0°) C. 6(cos 270° + i sin 270°) D. 6(cos 180° + i sin 180°)
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Plot the point on the rectangular coordinate system provided. Write the corresponding letter as your answer.
(4, -5)
A. F B. A C. K D. L
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Write an equation of the line with the given slope, m, and y-intercept (0, b).m = 
, b = 4
A. y = 
x + 4
B. y = - 
x - 4
C. y = - 
x + 4
D. y = 
x - 4
Mathematics
Factor the sum or difference of two cubes.x3 - 27
A. (x + 3)(x2 - 3x + 9) B. (x + 27)(x2 - 1) C. (x - 3)(x2 + 9) D. (x - 3)(x2 + 3x + 9)
Mathematics