Olivia started her banking account with $100 and is increasing the account $20 per month. Which function is correct? f(x) = 100 + |20x|
f(x) = 20x + 100
f(x) = 100x; f(x) = 20x; f(x) = x
None of the choices are correct

An object is accelerating at a constant rate. its velocity in feet per second as a function of time in seconds can be modeled by the linear function v(t) = 2.5t. what does the dependent variable represent for this function? a) acceleration b) distance c) slope d) velocity