9000079102

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 \([1,\infty) \)
\([1,\infty) \)