For the pair of functions, find the indicated domain.f(x) = 
, g(x) = x + 3Find the domain of g ? f.
A. (-?, -8) ? (-8, ?)
B. (-?, -5] ? [-5, ?)
C. (-?, -5) ? (-5, ?)
D. (-?, ?)
Answer: C
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Solve the problem.For an alternating series 
where it is not true that un ? un+1 for sufficiently large n, what can be said about the convergence or divergence of the series?
A. The series may or may not converge. B. The series always diverges. C. The series always converges.
Solve the triangle, if possible. Round to the nearest hundredth.C = 122.3°a = 4.50 kmb = 11.60 km
A. c = 20.31 km, A = 13.2°, B = 44.5° B. c = 14.51 km, A = 15.2°, B = 42.5° C. c = 17.41 km, A = 17.2°, B = 40.5° D. No solution
Solve the equation.-9b + 7 + 7b = -3b + 12
A. {-7} B. {-12} C. {5} D. {12}
Find the amount that results from the investment.$1,000 invested at 5% compounded annually after a period of 8 years
A. $1,477.46 B. $477.46 C. $1,551.33 D. $1,407.10