Solve the equation f(x) = 0 analytically and then use the graph of y = f(x) to solve the inequalities f(x) < 0 and 
f(x) = 15 - 3 log3 x
A. {243}; (243, ?); (-?, 243]
B. {243}; (0, 243); [243, ?)
C. {243}; (-?, 243); [243, ?)
D. {243}; (243, ?); (0, 243]
Answer: D
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A. 
, 960%
B. 
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C. 
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D. 
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