Express as a single logarithm and, if possible, simplify.ln (x2 - 16) - ln (x + 4)
A. ln (x - 16)
B. ln (x - 4)
C. ln (x + 4)
D. ln (x2 - 4)
Answer: B
Mathematics
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Rewrite the rational expressions as equivalent expressions with the LCD.
and 
A. - 
and 
B. - 
and 
C. - 
and 
D. - 
and 
Mathematics
Integrate using any method.
Mathematics
Solve the problem.A country has a population growth rate of 2.4% compounded continuously. At this rate, how long will it take for the population of the country to double? Round your answer to the nearest tenth.
A. 30 years B. .29 years C. 28.9 years D. 2.9 years
Mathematics
Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion. B. I is not a proportion, II is a proportion. C. I and II are both proportions. D. Neither I nor II are proportions.
Mathematics