Question 444434: 17. Solve the following inequality.
x2 - 16 > 0
A. (-∞, -16) or (16, ∞)
B. (-16, 16)
C. (-∞, -4) or (4, ∞)
D. (-4, 4)
18. Solve the following inequality.
x2 - 49 ≤ 0
A. (-∞, -7] or [7, ∞)
B. (-∞, -49] or [49, ∞)
C. [-7, 7]
D. [-49, 49]
19. Solve the following inequality.
30(x2 - 1) > 11x
A. (- 6/5, 5/6)
B. (-∞, -6/5) or (5/6, ∞)
C. (-∞, - 5/6) or (6/5, ∞)
D. (-5/6, 6/5)
Answer by solver91311(24713)   (Show Source):
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John
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