Hi, could anyone be kind enough to tell me how to find domain of gof (x):
f(X)= 1-x^2, x is any no. in R
g(x)= 2x, x >= 0
Thanks a lot.
Follow Math Help Forum on Facebook and Google+
Since you need for , then we must have
This is true for
But what abt the range of the inner function?
How does it interfere in the solution?
Sorry abt bothering u.
You need the range of the inner function to be the domain of the outer function. And since the function has domain , you need .
View Tag Cloud