Explanation Given: Consider the graph of the following function. Identify the independent and dependent variables, and describe the domain and range. A function describes how a dependent variable changes with respect to one or more independent variables. When there are two variables, we may denote their relationship as an ordered pair with the independent variable first: (independent variable, dependent variable). If x is the dependent variable and y is the dependent variable, we write the function as, y = f ( x ) . Domain: The domain of a function is the set of values that both make sense and are of interest for the independent variable. Range: The range of a function consists of the values of the dependent variable that correspond to the values in the domain. Here in the given graph, the year, which is the independent variable, is taken along x -axis and the corresponding world population, which is the dependent variable, is taken along y -axis. Thereby the domain denotes the set of years from 1950 to 2000 and the range denotes the set of world population in billions from 1 to 6. Mathematically domain can be written as { 1950 , 1951 , 1952 , ... To determine b) To determine: The description of the function in words, from the graph.

Using & Understanding Mathematics: A Quantitative Reasoning Approach (7th Edition)

7th Edition

ISBN: 9780134705187

Author: Jeffrey O. Bennett, William L. Briggs

Publisher: PEARSON

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Chapter 9.A, Problem 26E

To determine

a)

To determine: The independent and dependent variables and description of domain and range.

To determine

b)

To determine: The description of the function in words, from the graph.

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Chapter 9.A, Problem 25E

Chapter 9.A, Problem 27E

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Chapter 9 Solutions

Using & Understanding Mathematics: A Quantitative Reasoning Approach (7th Edition)

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a) To determine: The independent and dependent variables and description of domain and range.