Solve the inequality.42(x2 - 1) > 13x
A. 
or 
B. 
C. 
or 
D. 
Answer: C
Mathematics
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Solve the problem.A musician plans to perform 7 selections. In how many ways can she arrange the musical selections?
A. 7 B. 49 C. 40,320 D. 5040
Mathematics
Give the equations of any vertical asymptotes for the graphs of the rational functions.f(x) = 
A. x = 9 B. x = 0, x = -7 C. x = 7 D. x = -7
Mathematics
Solve and graph.x2 - 2x - 35 < 0
A. x < -5
B. -5 > x > 7
C. x > 7
D. -5 < x < 7
Mathematics
Solve the problem.Find the hydrogen ion concentration of a solution whose pH is 8.3. Use the formula 
A. 2.00 × 108 B. 5.01 × 10-9 C. -0.9190781 D. 0.91907809
Mathematics