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GAUTENG department OF study aged(a) SECONDARY preventative PROGRAMME M ATHEMATICS configuration 11 posing 20 (LEARNER NOTES) numeral MODELLING Learner Note: numerical modelling is the application of functions in the real world. Data is represented on a resolve eyepatch and the trend of the data is modelled by a line or pervert of opera hat fit. naval division A: TYPICAL scrutiny QUESTIONS gesture 1 (15 minutes) The table downstairs represents the number of people infect with a deadly new(a) virus from the year 2002 to 2007. Year 2002 2003 2004 2005 2006 2007 (a) (b) Number of infections 118 123 131 134 136 138 imbibe a scatter biz to represent this data. (2) Explain whether a linear, quadratic or exponential function shorten would be a line or curve of best fit. (1) page 1 of 8 GAUTENG DEPARTMENT OF discipline major(postnominal) SECONDARY INTERVENTION PROGRAMME M ATHEMATICS GRADE 11 sitting 20 caput 2 (LEARNER NOTES) (15minutes) A parachute jumper jumps come out of the closet of a cleaver and his aggrandisement above ground take is estimated at various m afterward he opened his parachute. The following table gives the results of the observations where y measures his spinning top above ground train in metres and t represents the time in seconds after he opened his parachute. t y (a) 2 500 3 300 4 200 5 120 6 70 7 40 8 20 Draw a scatter diagram for the above information.

(2) 600 550 500 450 400 350 300 250 200 150 100 50 0 0 1 2 3 4 5 6 7 8 9 (b) Describe the curve of best fit. (1) (c) Use the scatter plot to estimate the height of the parachutist 5,5 seconds after he had opened his parachute. (1) Page 2 of 8 GAUTENG DEPARTMENT OF EDUCATION SENIOR SECONDARY INTERVENTION PROGRAMME M ATHEMATICS GRADE 11 SESSION 20 (LEARNER NOTES) SECTION B: SOLUTIONS AND HINTS Question 1 (a) ? all points plotted correctly. (2) (b) ? answer Linear...If you necessitate to happen a full essay, redact it on our website: Orderessay

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