Mathematics for IGCSE & O level - Sequences (Section 2 - No. 16)

What is the formula for the nth term of the sequence 7, 10, 13, 16,...?

3n - 4

4n - 3

3n + 4

4n + 3

설명

The difference between terms is 3, so it's going to include 3n. 3(1) + 4 = 7.

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