ok need some help i just cant seem to do these few questions, and i've left it until the last minute as it has to be in tomorrow! aargh! thanks for the help x
1) find the inverse and state the domain f(x) = 1 - 2^x , x E R
Last edited by pop_91; November 3rd 2009 at 10:30 PM.
ok need some help i just cant seem to do these few questions, and i've left it until the last minute as it has to be in tomorrow! aargh! thanks for the help x
1) find the inverse and state the domain f(x) = 1 - 2^x , x E R
Let
Then:
So the inverse function is:
I presume the question means the domain of the inverse function. The domain of is , so here ; i.e. the domain is