Rationalize the denominator and simplify. Assume that variables represent positive values.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Researchers have discovered that by controlling both the temperature and the relative humidity in a building, the growth of a certain fungus can be limited. The relationship between temperature and relative humidity, which limits growth, can be described byR(T) = -0.00005T3 + 0.326T2 - 1.5572T + 97.086,0 ? T ? 46,where R(T) is the relative humidity (in %) and T is the temperature (in °C). Find the temperature at which the relative humidity is minimized.
A. -0.61°C B. 2.39°C C. 4344.28°C D. 3.39°C
Write the statement indicated.Write the negation of the following:The test is difficult.
A. The test is not very easy. B. The test is not difficult. C. The test is not easy. D. The test is very difficult.
Describe the transformations that produce the graph of g from the graph of f.f(x) = x2 ; g(x) = (x - 4)2 - 8
A. Shift 8 units to the right and 4 units downward. B. Shift 4 units to the left and 8 units downward. C. Shift 4 units to the right and 8 units downward. D. Shift 4 units to the left and 8 units upward.
Solve.
- 
= 2
A. 45
B. 18
C. 
D. 10