determine all intervals on which $f(x) leq 0$.
determine all intervals on which $f(x) leq 0$.
Answer
Explanation:
Step1: Analyze the graph
The function ( f(x)\leq0 ) when the graph of ( y = f(x) ) is on or below the ( x -)axis.
Step2: Identify the intervals
From the graph, we can see that the graph is on or below the ( x -)axis for ( x\in(-\infty,-6]\cup[-5,3]\cup[7,\infty) )
Answer:
( (-\infty,-6]\cup[-5,3]\cup[7,\infty) )