To find: The intervals in which value of a function is positive and negative.
The function
Given data: The given function is
Method:
The graph of the function is drawn using graphing utility.
Analysis:
The intercepts made by the graph of the function
The function is positive if it lies above the x -axis. From the graph it is clear that in the interval
Therefore, in the interval
Chapter 1 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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