Math Problem Statement
Solution
Let's analyze the graph to answer the questions one by one:
(a) Domain of :
The domain refers to all the possible values of for which the function is defined.
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From the graph, starts at and ends at .
Domain:
(b) Range of :
The range refers to all the possible values of .
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The lowest point on the graph is at and the highest point is at .
Range:
(c) Zeros of :
Zeros are the values of where .
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The graph intersects the -axis at , , and .
Zeros:
(d) :
To find , locate on the graph and observe the corresponding -value.
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At , .
(e) Intervals on which is increasing:
A function is increasing where the graph moves upwards as increases.
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From to , the graph is increasing.
Increasing on:
(f) Intervals on which is decreasing:
A function is decreasing where the graph moves downwards as increases.
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From to , the graph is decreasing.
Decreasing on:
(g) Values for which :
These are the values of where the graph lies below or on the -axis.
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The graph is at or below the -axis for .
Values where :
(h) Any relative maxima or minima:
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Relative Maximum: The highest point in a region, occurs at with .
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Relative Minimum: The lowest point in a region, occurs at and with .
Relative Max:
Relative Min: and
(i) Value(s) of for which :
Find the points where the graph intersects the line .
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at and .
at and
(j) Is positive or negative?
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From the graph, at , , which is positive.
is positive.
Let me know if you need further details on any of these answers. Here are some related questions to expand your understanding:
- What is the significance of the domain and range in graph analysis?
- How can we determine if a function is increasing or decreasing using its derivative?
- What are the implications of having multiple zeros in a function?
- How can the concept of relative maxima and minima be used in real-world problems?
- How would you algebraically determine the zeros of a function from its equation?
Tip: Understanding the shape and behavior of the graph can help in identifying intervals of increase and decrease. Always look for key points like turning points and intersections with the axes.
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Math Problem Analysis
Mathematical Concepts
Graph Analysis
Function Behavior
Zeros of Functions
Maxima and Minima
Intervals of Increase and Decrease
Formulas
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Theorems
Definition of Domain and Range
Relative Maxima and Minima
Suitable Grade Level
Grades 9-12
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