Terry is skiing down a steep hill Terry s elevation E in feet after t seconds is given by E 4100 50 t Where t can be any number from 0 to 10 The slope 50 is Terry s change in elevation for each second and the y intercept 4100 is Terry s starting elevation The slope 50 is how steep the mountain is and the y intercept 4100 is the height of the mountain The slope 50 is Terry s speed as he skis down the mountain and the y intercept 4100 is how far Terry travels in 10 seconds The slope 50 is how steep the mountain is and the y intercept 4100 is Terry s starting elevation The slope 4100 is Terry s change in elevation for each second and the y intercept 50 is Terry s starting elevation