Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.ln 
A. 
ln e + 
ln x
B. 
+ ln x
C. 
ln(ex)
D. 
+ 
ln x
Answer: D
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Subtract. Use borrowing, if necessary.
A. 54,895 B. 45,889 C. 45,789 D. 45,895
Using Green's Theorem, find the outward flux of F across the closed curve C.F = ln (x2 + y2) i + tan-1 
j; C is the region defined by the polar coordinate inequalities 
and 
A. 0 B. 61 C. 22 D. 11
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
A. x1
B. x11
C. x3
D. 
Refer to the double-bar graph below which shows the number of male and female athletes at a university over a four-year period. Solve the problem.
In which year did the greatest difference between the number of male athlete and female athletes occur? Find the difference.
A. 2005; 100 athletes B. 2005; 150 athletes C. 2003; 100 athletes D. 2005; 200 athletes