Ali and Kris 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. Write a function that models their distance from home as a function of time. What is a reasonable domain for this situation?
Function notation in slope-intercept form: $f(x) =$ [ ] + [ ]$x$
A reasonable domain is: [ ] $\leq x \leq$ [ ]
Function notation in slope-intercept form: $f(x) =$ [ ] + [ ]$x$
A reasonable domain is: [ ] $\leq x \leq$ [ ]