The following graph shows the population growth of the United States over time, which can be modeled by an exponential function.
(inserted image)
The most appropriate unit to measure the time is in (blank)
*drop-down menu*
1. weeks
2. Decades
3. Centuries
4. Days
The most appropriate unit to measure the population is in (blank) of people. *drop-down menu*
1. Millions
2. Hundreds
3. Thousands
4. Billions
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