Simplify.log9 
A. -81
B. 81
C. 3
D. -3
Answer: D
Mathematics
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Find the slope of the polar curve at the indicated point.r = -6 - 3 cos ?, ? = 
A. - 2
B. - 
C. 
D. 2
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Solve.Find the area of an ellipse with a major axis 14 and a minor axis 6.
A. 42? B. 21? C. 42 D. 10.5?
Mathematics
Express as a sum of logarithms.log5(251 ? 83)
A. log5251 + log583 B. log55 + log251251 + log8383 C. log520,833 + log520,833 D. log2515 + log835
Mathematics
Determine the domains of f and g.
?
?
A. Domain of f: all real numbers x except 
Domain of g: all real numbers x
B. Domain of f: all real numbers x except
Domain of g: all real numbers x except 
C. Domain of f: all real numbers x
Domain of g: all real numbers x
D. Domain of f: all real numbers x
Domain of g: all real numbers x except 
E. Domain of f: all real numbers x except
Domain of g: all real numbers x except 
Mathematics