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  • Related Benchmark: MAFS.912.F-BF.1.1
  • Reporting Category: Functions: Building Functions
  • Type: EE: Equation Editor
  • Difficulty: N/A
  • Question:

    Chantel drew a picture of her dog on a piece of paper that is 12 centimeters long. She used a copy machine to enlarge her drawing. She used the 115% setting to make each new copy. She then used each new copy to generate the next copy, using the same copier setting.

    Enter a recursive formula that will give the length of each new copy.

  • Possible Answer:
    begin mathsize 12px style a subscript 1 equals 12 end style

    begin mathsize 12px style a subscript n equals 1.15 a subscript n minus 1 end subscript end style

    Other correct responses:

    begin mathsize 12px style a subscript 1 equals 13.8 end style

    any equivalent recursive equation for begin mathsize 12px style a subscript n end style