The amount of money in a savings account is modeled by the function f(x) = 50x+100 , where x represents time in months . What does the 100 represent ?

The given function is
[tex]f(x)=50x+100[/tex]The number 50 represents the ratio of change, specifically, $50 per month.
On the other hand, the number 100 is the independent term, which refers to the initial condition, that is, the initial amount of money is $100.