The study found that the data after the year 2012 can be modeled by the function f(x) = 52.3x + 3,548, where x is the number of
years since 2012 and f(x) is the total amount of salt ingested in grams. Describe the significance of 3,548
An estimate of the average grams of salt used in 2012
An estimate of the average grams of salt used in 2013
The average amount of salt in grams used in 2012
The average amount of salt in grams used in 2013
