
To graph: The function
concave down and by finding the vertex, axis of symmetry,

Explanation of Solution
Given information:
The function
Graph:
By comparing the function
The vertex of the quadratic function
Now, substitute
Thus, for the given quadratic function
And the axis of symmetry is
Since
Now, determine the intercepts of the function
To determine the
By substituting
Use the quadratic formula
By substituting the values of
Therefore, the
To determine the
By substituting
By simplifying,
Therefore, the
To get the additional point, use the axis of symmetry line
Substitute
Thus, the additional point is
To draw the graph, plot the vertex
The graph is as follows:
Interpretation:
The graph of the function
Chapter 4 Solutions
Precalculus Enhanced with Graphing Utilities
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