Question

Question is attached​

Answer 1

• D)
  `log_e\ (9x^7)`

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Given expression:

• 
  `log_e\ (x^3)+3log_e\ (x)+log_e\ (9x)`

Simplify it as below:

• 
  `log_e\ (x^3)+3log_e\ (x)+log_e\ (9x)=`
• 
  `log_e\ (x^3)+log_e\ (x^3)+log_e\ (9x)=`
• 
  `log_e\ (x^3*x^3*9x)=`
• 
  `log_e\ (9x^7)`