Solve the equation. Express radicals in simplest form.(2m - 1)2 = -81

A. {8, -10}
B. {10, -8}
C. ?
D. {4, -5}


Answer: C

Mathematics

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Convert to an exponential equation.log 8 512 = t

A. 8t = 512 B. t8 = 512 C. 5128 = t D. 8512 = t

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Based on the graph, find the range of y = f(x). 

A. [0, ?)
B. [0, ]
C. [0, 8)
D. [0, 8]

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 Calculate, if possible, the Banzhaf power index for each voter. Suppose the voters in the order listed are A, B and C.

22: 18, 6, 1

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Determine whether the relation is a function.{(-6, 3), (-1, -4), (1, -8), (5, 9)}

A. Function B. Not a function

Mathematics