Question

6.4 exponential growth and decay quiz

a phone worth \\$900 decreases in value by 15\\% each year. after one year, the phone is worth \\$

Explanation:

Identify given values

We are given:

• Initial value of the phone: \(P = 900\)
• Annual rate of decrease: \(r = 15\% = 0.15\)
• Time elapsed: \(t = 1\) year

Calculate the value after one year

Using the Exponential Decay knowledge point

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Answer:

A phone worth $900 decreases in value by 15% each year. After one year, the phone is worth $ <blank>765</blank>.