(a)
To calculate: The average rate of change of national debt when it is increased from $15 trillion in 2012 to $20 trillion in 2016.
(b)
The linear function that fits the data when it is increased from $15 trillion in 2012 to $20 trillion in 2016.
(c)
The exponential function that fits the data when it is increased from $15 trillion in 2012 to $20 trillion in 2016.
(d)
To calculate: The national debt of U.S. in the year 2025 if the debt is growing linearly when it is increased from $15 trillion in 2012 to $20 trillion in 2016.
(e)
To calculate: The national debt of U.S. in the year 2025 if the debt is growing exponentially when it is increased from $15 trillion in 2012 to $20 trillion in 2016.
(f)
To calculate: The number of years taken to double the national debt if it is growing exponentially when it is increased from $15 trillion in 2012 to $20 trillion in 2016.
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