Pls explain 3rd and 4th log graphs with a brief explanation of mod also....pls fast...

Pls explain 3rd and 4th log graphs with a brief explanation of mod also....pls fast... 12 M S. Graph of y • logalxl Gr•pb Y.axi•. when 3 x 4, Illustration Solution. • (i) For x 1. logx2 < log 21 log

Dear student,
question 3  y1=logax
1 for a>1 loga x is increasing function for  x>0 graph of y1 shown in right part of the given 1 graph and for x<0 graph become mirror image about y1 axes of right part of the given 1 graph 
2 for a<1 loga x is decreasing functionfor  x>0 graph of y1 shown in right part of the given 2 graph and for x<0 graph become mirror image about y1 axes of right part of the given 2 graph 

question 4  y2=|logax|
y2 = |y1|
in  above case for y<0  graph  of y2 =  mirror image in x axes of lower part of y1 graph.

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