+0  
 
0
90
2
avatar+853 

If  \(f^{-1}(g(x))=x^3-1\)and \(g\) has an inverse, find \(g^{-1}(f(7))\).

 Dec 19, 2018
 #1
avatar+4402 
+3

\(f^{-1}(g(x)) = x^3-1\\ g(x) = f(x^3-1)\\ x = g^{-1}(f(x^3-1))\\ 7 = 2^3-1\\ g^{-1}(f(7)) = g^{-1}(f(2^3-1)) = 2\)

.
 Dec 19, 2018
 #2
avatar+853 
+1

Thanks, Rom!

ant101  Dec 20, 2018

34 Online Users

avatar
avatar
avatar
avatar
avatar
avatar