Determine whether (f(g(x)) = x and whether (g (f(x)) = x.f(x) = 
, g(x) = x5 + 7
A. No, no
B. No, yes
C. Yes, no
D. Yes, yes
Answer: D
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Solve the problem.Find the moment of inertia Iz of the rectangular solid of density 
defined by 
, 
, 
.
A. 352500 B. 312500 C. 290000 D. 102500
Solve the problem.A survey of senior citizens at a doctor's office shows that 52% of the seniors take blood pressure lowering medication and 44% take cholesterol lowering medication. 11% take both medications. What is the probability that a senior citizen takes only one of these medications given that he or she takes at least one of the medications?
A. 0.44 B. 0.52 C. 0.870 D. -0.060
Graph the system of linear inequalities. Tell whether the graph is bounded or unbounded, and label the corner points.
A. bounded; corner points (4, 0), (0, 4), (8, 0)
B. unbounded; corner points (0, 4), (8, 0)
C. bounded; corner points (0, 0), (0, 4), (4, 0)
D. unbounded; corner points (0, 4), (4, 0)
Find the root rounded to three significant digits.
A. 0.0800 B. 0.080 C. 0.800 D. 0.1020 E. 0.102