Express as a single logarithm and, if possible, simplify.
logax + 4 loga y - 2 loga x
A. loga x2 y4
B. loga
C. loga 
y4
D. loga x4 y4
Answer: B
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Determine the degree of the given polynomial.3xy + 7y
A. 0 B. 2 C. 11 D. 3 E. 1
Use the information below to determine the cardinality of the set. U = {x | x ? N and x ? 12} A = {x | x ? N and 6 < x < 12} B = {x | x ? N and x is even and x < 12}n(A' ? B)
A. 8 B. 12 C. 9 D. 3
Solve the problem.Determine whether the ordered triple (-3, -1, 4) is a solution of the system of equations.2x - 2y - 3z = -164x - 3y + 3z = 3 x + y - 5z = -24
A. No B. Yes
Sketch the graph of the rational function, including all asymptotes. Provide other information as requested.f(x) = 
A. vertical asymptotes: x = ±
, x = ±
;
horizontal asymptote: y = 1
B. vertical asymptotes: x = ±
, x = ±
;
horizontal asymptote: y = 1
C. vertical asymptotes: x = ±
, x = ±
;
horizontal asymptotes: y = -1
D. vertical asymptotes: x = ±
, x = ±
;
horizontal asymptote: y = -1