Rewrite the given expression as a single logarithm. Assume that all variables are defined in such a way that variable expressions are positive and bases are positive numbers not equal to 1.logbx - logbs
A. log2b
B. logb
C. logbx - s
D. logb
Answer: B
Mathematics
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Solve the right triangle shown in the figure. 
?A = 45°, 
= 14 km, ?C = 90°
A. 
= 7
km, ?B = 45°, 
= 14 km
B. 
= 14
km, ?B = 45°, 
= 14 km
C. 
= 14 km, ?B = 45°, 
= 14
km
D. 
= 14 km, ?B = 45°, 
= 7
km
Mathematics
Find the vertex and axis of symmetry of the graph of the function.f(x) = -x2 + 10x
A. (-25, 5); x = -25 B. (25, -5); x = 25 C. (5, 25); x = 5 D. (-5, -25); x = -5
Mathematics
Give the equation of the horizontal asymptote of the rational function.g(x) = 
A. None B. y = 0 C. y = -5 D. y = 9
Mathematics
Rewrite f(x) = (ax + b)/(x + c) in f(x) = a + d/(x + c) form.f(x) = 
A. f(x) = 3 + 
B. f(x) = 3 - 
C. f(x) = 3 + 
D. f(x) = 3 - 
Mathematics