Explanation Given: The given exponential model is, y = 2.22 ( 1.96 ) x Approach: Substitute the corresponding values of y and x in the given exponential model. Calculation: Put x = 7 in the given exponential model y = 2.22 ( 1.96 ) x to find y ( 7 ) as follows, y = 2.22 ( 1.96 ) 7 = 2.22 ( 111.1201 ) ≈ 246.69 Put y = 21 in the given exponential model y = 2.22 ( 1.96 ) x to find x as follows, 21 = 2

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

6th Edition

ISBN: 9781337111348

Author: Bruce Crauder, Benny Evans, Alan Noell

Publisher: Cengage Learning

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Chapter 4.4, Problem 17SBE

To determine

To find:

The value of y(7) and value of x at y=21.

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Chapter 4.4, Problem 16SBE

Chapter 4.4, Problem 18SBE

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6 Jean invested $380 in stocks. Over the next 5 years, the value of her investment grew, as shown in the accompanying table. Years Since Investment (x) Value of Stock, in Dollars () 880 1. 2 414 462 Write the exponential regression equation for this set of data, rounding all values to two decimal places. Using this equation, find the value of her stock, to the nearest dollar, 10 years after her initial purchase.

Chapter 4 Solutions

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

Ch. 4.1 - TEST YOUR UNDESTANDING| FOR EXAMPLE 4.1...Ch. 4.1 - TEST YOUR UNDERSTANDING| FOR EXAMPLE 4.2 In a...Ch. 4.1 - Prob. 3TU Ch. 4.1 - Reminder Round all answers to two decimal places...Ch. 4.1 - Reminder Round all answers to two decimal places...Ch. 4.1 - Reminder Round all answers to two decimal places...Ch. 4.1 - Reminder Round all answers to two decimal places...Ch. 4.1 - Reminder Round all answers to two decimal places...Ch. 4.1 - Reminder Round all answers to two decimal places...Ch. 4.1 - Reminder Round all answers to two decimal places...

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