Given that \(f(x) = x^k\) where \(k > 0\), what is the range of \(f(x)\) on the interval \([1, \infty)\)?

I don't know how to solve this. I am not that good at functions.

I saw a previus answer, \((0,1]\) and it was wrong.

THX IN ADVANCE

Guest Aug 17, 2019