Asked by Tushar | 2nd May, 2014, 05:34: PM

Expert Answer:

Let f(x)=log3(-x2+4x+5)
 
          =log3(x+1)(5-x)
 
for function to be defined we have,  (x+1)(5-x)>0
 
-1
 
Therefore, 
 
Range = [log35, log38]

Answered by Avinash Soni | 4th May, 2014, 09:55: AM

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