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(a)
To graph: the given quadratic function
(a)
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Answer to Problem 24RE
Explanation of Solution
Given:
Calculation:
(a) graph the function
at
Now, solve
The vertex is at
Since
The graph of
Its axis of symmetry is the line
Conclusion:
Thus, the given equation is drawn.
(b)
the domain and the range of the function.
(b)
![Check Mark](/static/check-mark.png)
Answer to Problem 24RE
The domain is
The range is
Explanation of Solution
Calculation:
Determine the range and domain of the function
The domain of
For the range, find the minimum and maximum value of function. The graph of the function
Conclusion:
The domain is
The range is
(c)
the increasing and decreasing interval.
(c)
![Check Mark](/static/check-mark.png)
Answer to Problem 24RE
Decreasing interval
Explanation of Solution
Calculation:
Determine whether the function
Conclusion:
Hence, decreasing interval
Chapter 3 Solutions
Precalculus
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