I need help with the last question (e) asap. plz e) Why may it not be accurate to extend the line of best fit to predict the
mean temperature at altitudes greater than the ones given?

Suppose you are analyzing the relationship between time and distance given in a table,and there are 4 values for each quantity.you divide distance 2 minus distance 1 by time 2 minus time 1.you then divide distance 4 minus distance 3 by time 4 minus time 3 and get a different answer.what can you say about the relationship?