Simplify the rational expression completely.
A. 
B. 
C. x + 3
D. x - 3
Answer: D
Mathematics
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Find the interval of convergence of the series.
A. 7 < x < 9 B. -9 < x < 9 C. x < 9 D. 7 ? x < 9
Mathematics
Solve the inequality, then graph the solution.12 < 4z + 4 ? 28
A. (2, 6)
B. [2, 6)
C. (2, 6]
D. [2, 6]
Mathematics
Find the derivative.g(x) = (6x5 - 8x)9/5
A. 
(6x5 - 8x)4/5
B. 
(6x5 - 8x)4/5(30x4 - 8)
C. 
(30x4 - 8)4/5
D. 
(6x5 - 8x)-4/5 (30x4 - 8)
Mathematics
Raise the fraction to the indicated power. 93
A. 729 B. 19,683 C. 27 D. 512
Mathematics