At the beginning of a population study, a city had 280,000 people. Each year since, the population has grown by 7.2%. Let t be the number of years since start of the study. Let y be the city's population. Write an exponential function showing the relationship between y and t.

At the beginning of a population study, a city had 280,000 people. Each year since, the population has grown by 7.2%. Let t be the number of years since start of the study. Let y be the city's population. Write an exponential function showing the relationship between y and t.

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter6: Exponential And Logarithmic Functions

Section6.1: Exponential Functions

Problem 2SE: Given a formula for an exponential function, is itpossible to determine whether the function grows...

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Question

At the beginning of a population study, a city had 280,000 people. Each year since, the population has grown by 7.2%.
Let t be the number of years since start of the study. Let y be the city's population.
Write an exponential function showing the relationship between y and t.

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