Find the domain of the rational expression. 
A. {x|x is a real number and x ? 5 and x ? 3}
B. {x|x is a real number and x ? 5 and x ? -5 and x ? -3}
C. {x|x is a real number and x ? 5 and x ? -3}
D. {x|x is a real number and x ? 5 and x ? -5 and x ? 3}
Answer: D
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Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log17
A. 
log17mn - 
log178
B. 
log17m + 
log17n - log178
C. 
log17m ? 
log17n ÷ 
log178
D. 
log17m + 
log17n - 
log178
Solve the problem.The one-day temperatures for 12 world cities along with their latitudes are shown in the table below. Make a scatter diagram for the data. Then find the line of best fit and graph it on the scatter diagram.
Latitude (degrees)
Temperature (F)°
What will be an ideal response?
Provide an appropriate response.Graph the expression 
on your calculator. Determine what constant or single circular function is equivalent to the given expression.
Fill in the blank(s) with the appropriate word(s).
Find f'(x).f(x) = ln x5
A. 5 ln x4
B. 
C. 
D. 