Saved Bookmarks
| 1. |
the domain and range of the real valued function f defined by x/|x| is |
|
Answer» f(x) \(=\frac{x}{|x|}\) \(=\begin{cases}-1,&x<0\\1,&x>0\\\text{Not defined},&x=0\end{cases}\) ∴ Domain of function f(x) is ℝ-{0} And range of function f(x) is {-1, 1}. |
|