KZN/TERM 1 2024 Mathematical Literacy/Investigation 4 Grade 11 2. Investigate Quotation 2 of Smith & Son and answer the questions that follow. 2.1 Determine the date on which the quotation for Smith & Son expires? (2) 2.2 Explain how the total monthly cost will be calculated for rent and copies made according to the quotation of Smith & Son. (2) 2.3 The following table shows the total monthly cost for rent and copies according to the quotation of Smith & Son: No of copies Monthly cost 0 500 1 000 1500 2000 2500 C 4 000 5 000 400 400 A 525 B 775 900 1 150 1400 Use the table above to answer the questions that follow. 2.3.1 Calculate the value of A, B and C in the table. (4) 2.3.2 Draw the graph of the monthly cost against the number of copies made for QUOTATION 2 on the ANSWER SHEET. (4) 3. Use QUOTATIONS 3 and 4 to answer QUESTION 3.1 and 3.2 3.1 The graph that represents QUOTATION 3 is already drawn on the ANSWER SHEET. Determine the values of D, E and F for QUOTATION 3. (3) 3.2 The graph that represents QUOTATION 4 is also drawn on the ANSWER QUOTATION 4. SHEET. Write down a formula to represent the total monthly cost for (2) Use all 4 QUOTATIONS in the ANNEXURE, as well as the 4 graphs on the ANSWER SHEET and answer questions 3.3 to 3.5.3 3.3 Write down the name of point Q (1 400; 700) on the graph, hence explain what happens at this point. 3.4 3.5 It is estimated that Mafu High School makes 5 000 copies per month. A learner claims that quotation 1 will be the cheapest option for the first ANSWER SHEET. year. Describe how you can verify this statement using the graph on the (2) An SGB member makes the remark that it is important to note that therent of the photocopying machine in QUOTATION 1 has an annual increase of 30%. Use QUOTATION 1 and 2 to answer the questions that follow. 3.5.1 After how many years will the total annual cost for quotation 1 become more than the total annual cost for quotation 2? Assume that the number of copies is 5 000 per month. (5)
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