Find 
.y = (ln x)ln x
A. 
(ln x)ln x
B. ln x ln (ln x)
C. 
D. 
Answer: A
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Factor completely. If the polynomial cannot be factored, write prime.x2 + 3x - 108
A. (x - 12)(x + 9) B. (x - 12)(x + 1) C. (x + 12)(x - 9) D. Prime
Solve the problem.Suppose that an insect population density, in thousands, during year n can be modeled by the recursively defined sequence: 
.Use technology to graph the sequence for n = 1 , 2 , 3 , ........., 20 . Describe what happens to the population density function.
A. The insect population stabilizes near 4.52 thousand. B. The insect population stabilizes near 7.72 thousand. C. The insect population stabilizes near 7.18 thousand. D. The insect population increases every year.
Solve the problem.The string on a balloon is 52 mm long. What is this length measured in cm? Round to the nearest tenth if necessary.
A. 0.5 cm B. 520 cm C. 5.2 cm D. 5200 cm
Find the domain of the rational expression.f(x) = 
A. {x|x is a real number and x ? 2, x ? 3} B. {x|x is a real number and x ? -2, x ? -3} C. {x|x is a real number and x ? 4, x ? -4} D. {x|x is a real number and x ? 0}