Basic Rules and Notation Exercises
Example 1
Given the explicit rule: {an} = 3n – 2, find a7.
Example 2
Given the explicit rule: {an} = 2n + 1, find a9.
Example 3
Find the explicit rule for the sequence 3, 5, 7, 9, …
Example 4
Find the explicit rule for the sequence 4, 16, 64, 256, …
Example 5
Find a20 for the sequence 4, 7, 10, 13, …
Example 6
Find a9 for the sequence 1, 2, 6, 24, 120, …