Mathematics · Oct / Nov 2021 · Paper 22 · Question 12
0580
As printed in the paper
The question as text
The table shows the first five terms of sequences A, B and C. 1st term 2nd term 3rd term 4th term 5th term nth term Sequence A 8 3 -2 -7 -12 Sequence B 2 2 3 3 4 4 5 5 6 Sequence C 2 1 1 2 4 8 Complete the table to show the nth term of each sequence. [5]
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13 – 5n oe final answer n 1 + oe final answer n 2n – 2 oe final answer [5]
B2 for 13 – 5n oe final answer
or B1 for – 5n + c or 13 – kn k ≠ 0 or 13 – 5n seen then spoilt n 1 + oe final answer
B1 for n
B2 for 2n –2 oe final answer
or B1 for 2n – k oe k can be 0
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