Solve the problem.Which of the following is the same as log(12x) - log (3x) for x > 0?
A. log(4)
B. log(9x)
C. 
D. 4 log x
Answer: A
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Solve the problem.The weight of a liquid varies directly as its volume V. If the weight of the liquid in a cubical container 
on a side is 81 g, find the weight of the liquid in a cubical container 5 cm on a side.
A. 375 g B. 15 g C. 110 g D. 125 g
Solve the problem.Evaluate f(t) = sec t at t = 
verbally.
A. If ? = 
is in standard position, the terminal side intersects the unit circle at the point 
. Therefore, 
B. If ? = 
is in standard position, the terminal side intersects the unit circle at the point 
. Therefore, 
C. If ? = 
is in standard position, the terminal side intersects the unit circle at the point 
. Therefore, 
D. If ? = 
is in standard position, the terminal side intersects the unit circle at the point 
. Therefore, 
Solve the problem.Sue can sew a precut dress in 3 hours. Helen can sew the same dress in 2 hours. If they work together, how long will it take them to complete sewing that dress? Give your answer rounded to one decimal place, if necessary.
A. 1.8 hr B. 5 hr C. 2.5 hr D. 1.2 hr
Given f(x) and g(x), find the composition.f(x) = -3x - 9; g(x) = 4x2 + 5x - 2Find (g ? f)(-6).
A. 367 B. 159 C. 79 D. -345