Aubrey and Charlie are driving to a city that is 120 miles from their house. They have already traveled 20 miles, and they are driving at a constant rate of 50 mi/h. A function f models their distance from home as a function of time. Complete the statement below using the function you wrote in Item 4. ( the function in question 4 is f(x) = 50x + 20)

f(1.5) =
The value indicates that after
hours of driving, Aubrey and Charlie will be
miles from home.