Question

Find the 7th term in the following sequence (n = 7)

f(n) = 8 + 5(n-1)

Also, for this question, state what a1 is (first term) and the common difference (a2 - a1).

Answer 1

n= - 3/5

Explanation:

1- Substitute f ( n ) = 0 remove the parentheses

2- Calculate

3- Move the variable to the left

4- Divide both sides