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A linear sequence starts
11
20
29
38
Work out an expression for the nth term of the sequence.
The nth term is n+9


Sagot :

Answer:

9n + 2.

Step-by-step explanation:

This is arithmetic with common difference d = 9.

nth term = a1 + d(n - 1)     (a1 = 11) 11 + 9n - 9

= 11 + 9(n - 1)

= 9n + 2.

The correct answer is 9n+2