What is the solution set of x/4 less than or equal to 9/x

Answer: x≤-6 or 0<x≤6.Option D.
Step-by-step explanation:
Given:
Subtract from both sides,
0
Simplifying by taking common denominator:
0
Factoring numerator:
0
Computing the signs and selecting that one satisfies ≤ 0:
x≤ -6,0<x≤6.
Option D is the right answer.