
Concept explainers
a.
To define: Vertical Line Test.
a.

Answer to Problem 3RCC
The vertical line test is a graphical method of determining whether a curve in the plane represents the graph of a function by visually examining the number of intersections of the curve with vertical lines.
Explanation of Solution
Given information: Vertical Line Test.
The vertical line test is a graphical method of determining whether a curve in the plane represents the graph of a function by visually examining the number of intersections of the curve with vertical lines.
b.
To define: Horizontal Line Test.
b.

Answer to Problem 3RCC
The horizontal line test is a method that can be used to determine if a function is a one-to-one function. This means that, for every y-value in the function, there is only one unique x-value.
Explanation of Solution
Given information: Horizontal Line Test.
The horizontal line test is a method that can be used to determine if a function is a one-to-one function. This means that, for every y-value in the function, there is only one unique x-value.
Chapter 2 Solutions
EBK PRECALCULUS: MATHEMATICS FOR CALCUL
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