A driver is initially 340 miles from home, traveling toward home on a straight interstate at 55 miles per hour. (a) Write a formula for a function that models the distance between the driver and home after 2 hours (b) Give an appropriate domain for the function (c) Sketch a graph of the function (d) Identify the r- and y-intercepts. Interpret each/ 8+2r if -3r-1 if 1 (b) Is this discontinuous anywhere? If so, identify where. (c) Find the value of f(-1)