Concept explainers
(a)
To graph: The quadratic function
(a)
Explanation of Solution
Given information:
The quadratic function
Comparing equation
The graph of quadratic equation
In an equation
Vertex of
In equation
To find
Therefore, vertex of
For an equation
Therefore, axis of symmetry for
To find
Therefore,
Since
Plot the points
Therefore, graph of this function
Interpretation:
The graph represents the quadratic function
(b)
The solution of
(b)
Answer to Problem 6CR
Solution:
The solution for
Explanation of Solution
Given information:
The function
Solving the inequality
From graph of
Therefore, the solution of the inequality
In interval notation, solution of
Chapter 5 Solutions
Precalculus Enhanced with Graphing Utilities
Additional Math Textbook Solutions
Precalculus (10th Edition)
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University Calculus: Early Transcendentals (3rd Edition)
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