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Solve the inequality.

Question : Solve the inequality. : 2147423

Solve the inequality.

241) p2 + 5p + 4 > 0

A) (-∞, -4) or (-1, ∞)

B) (-∞, -4)

C) (-4, -1)

D) (-1, ∞)

242) s2 - 4s - 21 < 0

A) (-∞, -3)

B) (-3, 7)

C) (7, ∞)

D) (-∞, -3) or (7, ∞)

243) t2 - 2t - 3 ≤ 0

A) [3, ∞)

B) (-∞, -1] or [3, ∞)

C) (-∞, -1]

D) [-1, 3]

244) v2 + 5v + 4 ≥ 0

A) (-∞, -4] or [-1, ∞)

B) [-1, ∞)

C) [-4, -1]

D) (-∞, -4]

245) x2 + 7x ≤ -12

A) [3, 4]

B) (-∞, 3] or [4, ∞)

C) (3, 4)

D) [-4, -3]

246) x2 + 5x ≥ -4

A) (-∞, -4] or [-1, ∞)

B) (-∞, -4]

C) [-1, ∞)

D) [-4, -1]

247) x2 - 2.17x - 3.51 < 0

(Give approximations rounded to the nearest hundredth.)

A) (3.25, -1.08)

B) (-∞, -3.25) ∪ (1.08, ∞)

C) (-3.25, 1.08)

D) (-∞, -1.08) ∪ (3.25, ∞)

248) 3πx2 - 19x + √(5) > 0

(Give approximations rounded to the nearest hundredth.)

A) (-1.89, -0.13)

B) (-∞, -1.89) ∪ (-0.13, ∞)

C) (1.89, 0.13)

D) (-∞, 1.89) ∪ (0.13, ∞)

249) (x2 + 2x - 8/x2 - 2x - 48) < 0

A) (-4, 2) or (8, ∞)

B) (-6, -4) or (2, ∞)

C) (-∞, -4) or (-6, 8)

D) (-6, -4) or (2, 8)

Solve the problem.

250) The profit made when t units are sold, t > 0, is given by P = t2 - 22t + 120. Determine the number of units to be sold in order for P = 0 (the break- even point).

A) t > 12

B) t = 12 or t = 10

C) t = 22

D) t = -12 or t = -10

Solution
5 (1 Ratings )

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Mathematics 5 Months Ago 44 Views
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