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This is part A to one of my questions to help answer the second one, the second question is posted if anyone can help

This is part A to one of my questions to help answer the second one, the second question-example-1
User Annet
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Answer:

Explanation:

Part A: Since 400 is being multiplied 1.06^t, for it to be equal to 399 the value 1.06^t must be less than 1. The lowest value for t given the domain restriction is 0 which would only result in 1 which will given the initial amount of 400. t would need to be less than 0 for 1.06^t to start going below the value 1 but since there is a domain restriction since t represents time, that value cannot go below 400 to reach 399.

User Roman Dolgiy
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