Lijah opened an account at Advantis Credit Union. The balance of her account after x years is represented by the function b(x) = 500(1.05)*. What annual interest rate is Lijah earning? a. b. After how many years did it take for Lijah's balance to double? Show all of your work.

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Exponential And Logarithmic Functions
Section5.4: Exponential And Logarithmic Equations
Problem 83E: The number N of beavers in a given area after x years can be approximated by N=5.5100.23x,0x10. Use...
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2.
Lijah opened an account at Advantis Credit Union. The balance of her account after x years is
represented by the function b(x) = 500(1.05)*.
What annual interest rate is Lijah earning?
а.
b.
After how many years did it take for Lijah's balance to double? Show all of your work.
Transcribed Image Text:2. Lijah opened an account at Advantis Credit Union. The balance of her account after x years is represented by the function b(x) = 500(1.05)*. What annual interest rate is Lijah earning? а. b. After how many years did it take for Lijah's balance to double? Show all of your work.
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