Question 2 (5 points) Applying the left end - point method, you wish to use two rectangular panels, having an equal base width, to approximate the area under the given straight line between x- 4 and x = 8 . y=3x+12 What would be the area of only the right panel? Round your answer, if necessary. 60 square length units 72 square length units 48 square length units 26 square length units Save