Question

What is the 5th term of the arithmetic sequence f(n)=7-4(n-1)?

Answer 1

f(5) = - 9

Explanation:

To find the 5 th term substitute n = 5 into the formula, that is

f(5) = 7 - 4(5 - 1) = 7 - 4(4) = 7 - 16 = - 9