Sara has $175 and wants to start saving more money so she opens a savings account and deposits the $175 in it to start. The function that represents Sara's account is f(x)=175 + x, where x is that amount of money in dollars that Sara deposits after her initial $175. What is a reasonable range for the function?
Group of answer choices
All real numbers greater than or equal to 175
All real numbers
All real numbers greater than or equal to 0 and less than or equal to 175
All real numbers greater than or equal to 0