Explanation for Question 22 From the Math (Calc) Section on the 2018 March Sat
Question 22 says the graph above models, 2 the speed as of an automobile during the first five minutes of travel time, 3 what was the total distance travel from T equals one, 4 which is right here to T equals four. 5 So we can see that during those, that three minute period, 6 the speed is always at 0.5 miles per minute. 7 So that tells us that all we have to do is multiply three by 8 one, over two or 0.5. 9 And that tells us the total distance that was traveled three over two miles 10 or 1.5 miles, 11 which is answer choices.