Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
[3 ln (x + 6) - ln x - ln(x2 - 4)]
A. ln 
B. ln 
C. ln 
D. ln 
Answer: D
Mathematics
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Find the polar coordinates of the point(s) of intersection of the given curves for 0 ? ? < 2?.r = 6 cos ?, r = -1 + 4 cos ?
A. 
, 
B. 
, 
C. 
, 
D. 
, 
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Solve the compound inequality. Express the solution using interval notation. Graph the solution set.7 ? 5t - 3 ? 22
A. [2, 5]
B. [-5, -2]
C. (-5, -2)
D. (2, 5)
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Simplify the fraction to lowest terms.- 
A. - 
B. - 
C. 
D. - 
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Find the exact function value if it exists.tan -225°
A. 
B. 1
C. -1
D. 
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