The amount of data passing through mobile phone networks doubles each year.
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A: Explain why the amount of data passing through mobile phone networks is an exponential function of time.
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B: Use 
for the initial amount of data, and write a formula that gives the amount D of data passing through mobile phone networks after t years.
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C: If this trend continues, how long will it be before the amount of data is 125 times its initial value? Round your answer to two decimal places.
What will be an ideal response?
A: The amount of data grows exponentially because it grows by constant multiples.
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B: 
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C: 6.97 years
Mathematics
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