This table gives the first five terms of a sequence and their positions in the sequence.

a. Describe the position-to-term rule.
By looking at the sequence it can be seen that the term is always the position number + 4.
b. Write the position-to-term rule as a rule for the nth term. The position can be represented by the letter n.
Therefore, the nth term can be given by the expression n + 4.

c. Use your rule for the nth term to calculate the 50th term. For the 50th term, n = 50, therefore the 50th term is 50 + 4 = 54.

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Position Term 1 5 2 6 3 7 4 8 00 5 9