# Inverses of (f o g)(x) (g o f)(x)

• May 11th 2011, 01:01 PM
Tedday
Inverses of (f o g)(x) (g o f)(x)
Hello new to this forum hopefully I ask this properly.... so my problem is this
Let f(x) = e^x and g(x) = ln x
Compute (f o g)(x) and (g o f)(x) and last are f and g inverses explain?

Thank you so much for your time!
• May 11th 2011, 01:06 PM
Plato
Quote:

Originally Posted by Tedday
Hello new to this forum hopefully I ask this properly.... so my problem is this
Let f(x) = e^x and g(x) = ln x
Compute (f o g)(x) and (g o f)(x) and last are f and g inverses explain?

$e^{\ln(x)}=~?~\&~\ln(e^x)=~?$