Solve the equation.Let f(x) = 
+ 8. Find all x for which f(x) = 16.
A. ?
B. {-8, 8}
C. {-24, 24}
D. {-8, 24}
Answer: B
Mathematics
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A. Equal value B. Brand X C. Not enough information D. Brand Y
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Evaluate the expression by hand.81-3/2
A. 
B. - 
C. -729
D. 729
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Write the linear system corresponding to the reduced augmented matrix.
A. No Solution B. x1 = 4, x2 = 0 C. x1 = -4, x2 = 0 D. x1 = 4, x2 = t for any real number t
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Divide and simplify.
A. 5x4y7 B. -20x4y7 C. 5x2y7 D. -5x4y6
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