determine the intervals where the function is positive and negative. submit your solution in interval…
determine the intervals where the function is positive and negative. submit your solution in interval notation. write dne for empty intervals.
Answer
Explanation:
Step1: Identify positive - part
The function is above the x - axis (positive) when (x < - 8) or (x>-4).
Step2: Identify negative - part
The function is below the x - axis (negative) when (-8 < x < - 4).
Answer:
Positive intervals: ((-\infty,-8)\cup(-4,\infty)) Negative intervals: ((-8,-4))