Level:
Project ID:
9000079102
Source Problem:
Accepted:
1
Clonable:
1
Easy:
0
Find the intervals where the following function is a decreasing function.
\[
f(x) = \frac{x^{2} + 1}
{x}
\]
\([ - 1;0)\) and
\((0;1] \)
\([ - 1;1] \)
\((-\infty ;-1] \) and
\([1;\infty) \)
\([1;\infty) \)