The relationship between the postage rate and the weight of a letter can be defined by a piecewise function The graph shows the 2018 postage rates for using regular service to mail a letter K w Kiran and Mai wrote some rules to represent the postage function but each of them made some errors Kiran 0 25 0 50 0 71 0 92 1 13 asi 15 2 25 3 3 5 4 weight founcest 0 w 1 1 w 2 2 w 3 3w 3 5 M w Identify the error in each person s work 4 points Write a corrected set of rules for the postage rates shown in the graph 4 points Mai 0 50 0w 1 0 71 1 w 2 0 92 2w 3 1 13 3w 3 5