Chapter 2: Q. 2 (page 112)
Suppose that the graph of a function is known. Then the graph of may be obtained by a reflection about the ________-axis of the graph of the function .
Short Answer
y
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Chapter 2: Q. 2 (page 112)
Suppose that the graph of a function is known. Then the graph of may be obtained by a reflection about the ________-axis of the graph of the function .
y
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In Problems 7–18, match each graph to one of the following functions:

The inequalitycan be written in interval notation as___________.
A semicircle of radius r is inscribed in a rectangle so that the diameter of the semicircle is the length of the rectangle. See the figure.
(a) Express the area A of the rectangle as a function of the radius r of the semicircle.
(b) Express the perimeter p of the rectangle as a function of r.
True or False Every relation is a function.
In Problems 7–18, match each graph to one of the following functions:

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