Page 23 - steps 3b.pdf
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DRM21

       ~ Functions  -                         _  _  _  _  _  _  _  _  3b:7




          Function machines  0,  band c  will  always output even  numbers.

          OJ  Complete machine o.  Then  work out the functions for  machines b
               and c.  Complete any missing  parts.

          o        FUNCTION                  b        FUNCTION                 c        FUNCTION
              rt  x4+2  h                       r l  x   10 -     JI               rt               h


              INPUT         OUTPUT              INPUT         OUTPUT               INPUT         OUTPUT

                  1             6                  3             24                    4            28

                 3             14                  5             44                    1            10


                 7             30                  2             14                    q            58


                10             42                  8             74                    5            34

                 q


                 6



          Function machines d, e  and f  will  always output odd numbers.

          ~ Complete machine d. Then  work out the functions for machines e
               and f.  Complete any missing parts.

          d        FUNCTION                  e       FUNCTION                  f        FUNCTION
              rt  x4+5  h                       rl +2-            J 1              rl               h



              INPUT        OUTPUT               INPUT         OUTPUT               INPUT         OUTPUT
                 2             13                  16             7                    3            35


                 5             25                  12             5                    1            15

                 4             21                 20              q                    5            55


                               45                                 3                                 75










          @]  Design 3  different function  machines that make numbers  10  times larger.
               Choose input numbers to test them.



                                                             Dealing with inputs and outputs from function
        Name                                                 machines; identifying functions.
        Date

       © HarperCollinsPublishers Ltd 1997 STEPS 3b Differentiation Pack
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