
Concept explainers
To compare: the graph of the function with the graph of its parent function.

Explanation of Solution
Given information:
The function is
Concept used:
The parent function of the given function is
Calculation:
Sketch the graph of the given function and the parent function.
For the parent function
Plot these points and join them
The obtained graph is the graph of parabola which is opened upward, symmetric about x - axis and vertex is at
Now for the given function
Plot these points and join them
The obtained graph is the graph of parabola which is opened upward, symmetric about x - axis and vertex is at
On comparing both the graphs, it can be seen that when the parent function is shifted vertically downward by 2 units, that is 2 units in the negative direction then the given graph that is
Conclusion:
The given graph is 2 units shift in the downward direction of the parent function’s graph.
Chapter 1 Solutions
Precalculus with Limits: A Graphing Approach
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