6th grade

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which of these patterns are recursive?
a) 3,6,12,24,48,96
b) 1,4,9,16,25,36,
c) 1,3,9,27,81,243
d) 4,9,19,39,79,159

  • 6th grade -

    d starts with
    previous value + 5; the next value is
    previous value +10; the next value is
    previous value +20; the next value is
    previous value +40;, the next value is
    previous value +80; ...

  • 6th grade -

    d is the right answer

  • 6th grade -

    It is a).........:)

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