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5 votes
Is the equation A=2100091-120^t a model of exponential growth or decay

2 Answers

5 votes

Answer: exponential decay

Explanation:

the t exponent is on a negative number (120), so as time increases, A would decrease because more and more of t is being subtracted over time. As each unit of time goes by, 120 times the last amount subtracted, would be subtracted from 2100091

User Alexey Ten
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3 votes

Answer:

I believe this is exponential decay because as the time, t, increases the amount subtracted from the original increases.

User Olli
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