Line graphs are used when we compare two different number values. 1.1. Draw two graphs on the same set of axes showing the changes in heart two boys, John and Thabo, as they run over a certain distance. Distance run (m) John's heart rate Thabo's heart rate (beats per minute) (beats per minute) 70 0. 100 60 75 80 90 200 400 800 85 100 120 120 agebni ert eg o egebni ertt abna benusom 110 115 130 Deb aldeb 1500 MC CBu 206 Mps psbbeue pnerto loinos nso ew 1srti eldshsv erti ai aid

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