The graph below shows the price of petrol over the past few years in South Africa. Price of petrol from 2000 to 2006 Price (in rand) 10 8 2 5.3- 4.2 6.7 5.75 9.1 7.4 5.9 0 1999 2000 2001 2002 2003 2004 2005 2006 Year Use the above information to answer the questions that follow. 4.1 Determine the minimum price of petrol over the period indicated on the graph and in which year. 4.2 Determine the year in which the petrol price was the highest. Suggest a reason why the price was so high (2
