Solve the equation.log7 x2 = 4
A. {49, -49}
B. {2401}
C. {128}
D. {2
, -2
}
Answer: A
Mathematics
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Find the Jacobian 
or 
(as appropriate) using the given equations.
A. -25 B. 24 C. 25 D. 600
Mathematics
Solve the inequality and give the solution in interval notation.9x - 9 > 36 or -x + 7 ? -4
A. [5, 11) B. (-?, ?) C. (5, 11] D. (5, ?)
Mathematics
-10 - (-2)(3 - 8) + 4
A. -16 B. 64 C. -24 D. 44
Mathematics
Solve the problem.The Mathematics Department is holding an election for department chair. Each member ranks the candidates from first to third. The preference table below shows the results of the ballots with candidates Clark (C), Jones (J), and Smith (S). 
If the Borda count method is used to determine the winner and Clark drops out, is the irrelevant alternatives criterion satisfied?
A. Yes B. No
Mathematics