<em>The given function is a </em><em>non linear</em><em> function.</em>
Step-by-step explanation:
The given function is,
or
A linear function represents a straight line. A linear function is a function of a straight line, which means that the degree of a linear function must be 1. But in this case the degree is -1.
Therefore, the given function is a non linear function. It represents a rectangular hyperbola.