Concept explainers
To approximate: The zeros (up to three decimal places) and relative extrema of polynomial function, using graphing utility.

Answer to Problem 62E
The real zero of polynomial function
Explanation of Solution
Given:
The polynomial function is
Concept used:
If
Calculations:
The graph of a polynomial function
From the graph, we observe that the graph of function
Therefore,
The vertices of the graph of
Since
Since
Conclusion:
The real zero of polynomial function
Chapter 2 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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