Concept explainers
To find the future year for which the average American consume 300 pounds of bread and cereal.
Answer to Problem 47SR
2017
Explanation of Solution
Given:
Function:
Let y represents the consumption of bread and cereal in pounds per person in the United States and x represents the number of years since 1900.
Formula used:
Calculation:
Let y represents the consumption of bread and cereal in pounds per person in the United States and x represents the number of years since 1900.
The function of y is represented by ,
Also given that
Substituting the value of y in the function,
On switching sides,
Subtracting 300 on both sides,
On multiplying 1000 on both sides,
Substituting in quadratic formula
The year cannot be in negative, therefore, 116.8 can be approximated to 117.
After 117 years from 1900 is 2017.
Conclusion:
Therefore, the average American consumes 300 pounds of bread and cereal in 2017.
Chapter 10 Solutions
Algebra 1
Additional Math Textbook Solutions
College Algebra
Elementary Algebra
College Algebra
Linear Algebra and Its Applications (5th Edition)
College Algebra (7th Edition)
- Algebra and Trigonometry (6th Edition)AlgebraISBN:9780134463216Author:Robert F. BlitzerPublisher:PEARSONContemporary Abstract AlgebraAlgebraISBN:9781305657960Author:Joseph GallianPublisher:Cengage LearningLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning
- Algebra And Trigonometry (11th Edition)AlgebraISBN:9780135163078Author:Michael SullivanPublisher:PEARSONIntroduction to Linear Algebra, Fifth EditionAlgebraISBN:9780980232776Author:Gilbert StrangPublisher:Wellesley-Cambridge PressCollege Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education