Solve the inequality.x2 + 5x - 14 > 0
A. (2, ?)
B. (-?, -7) or (2, ?)
C. (-7, 2)
D. (-?, -7)
Answer: B
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Solve the given applied problems involving variation.The distance D that a spring is stretched by a hanging object varies directly as the weight W of the object. If a 28-kg object stretches a spring 83 cm, find the distance when the weight is 3-kg.
A. 23.25 cm B. 1.012 cm C. 114 cm D. 8.89 cm
Convert the numeral to a numeral in base 10.1T12 (T = 1010, E = 1110)
A. 264 B. 22 C. 240 D. 132
Use the product rule to multiply. Assume all variables represent positive real numbers.
? 
A. -2m B. 5m C. 6m2 D. 6
Solve the problem.The height in meters of women of a certain tribe is approximated by h = 0.52 + 2 log(t/3) where t is the woman's age in years and 1 ? t ? 20. Estimate the height (to the nearest hundredth) of a woman of the tribe 4 years of age. (Round to the nearest hundredth.)
A. 1.12 m B. 0.96 m C. 0.52 m D. 0.77 m