+0  
 
0
11
1
avatar+9 

This is what I got (I think I'm wrong):

1 / f'(f-1(x)) = 1 / f'(4) = 1 / -1 / 5 = -5

g(-5) = ln(f(-5)), No Solution because f(x)>0

 Nov 20, 2023
 #1
avatar+33595 
+1

This should help (it uses the chain rule):

 

 Nov 20, 2023

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