Find values for the variables so that the matrices are equal.
= 
A. x = 8; y = -3; z = 7
B. x = -3; y = 8; z = -7
C. x = 8; y = 7; z = -7
D. x = 8; y = -3; z = -7
Answer: D
Mathematics
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-2
A. 1 - 
x + 
x2 - 
x3
B. 1 - 
x + 
x2 - 
x3
C. 1 - 
x + 
x2 - 
x3
D. 1 - 
x + 
x2 - 
x3
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Two functions f and g are related by the given equation. Use the numerical representation of f to make a numerical representation of g.g(x) = f(x - 1) 
A. 
B. 
C. 
D. 
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Write percents as decimals and decimals as percents.0.0087 of all products produced at a certain factory contain defects.
A. 0.87% B. 0.087 C. 8.7% D. 87%
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Solve the inequality. Express your answer in set notation.x2 ? 4
A. {x| x < -2 or x ? 2} B. {x| -2 ? x ? 2} C. {x| x < -2 or x > 2} D. {x| x ? -2 or x ? 2}
Mathematics