Question

An arithmetic sequence is represented by the function f(n) = 8 + 3(n-1). What is the 4th term of the sequence?

Answer 1

f(4) = 17

Explanation:

f(n) = 8+3(n-1)

f(4) = 8+3(4-1)

f(4) = 8+3(3)

f(4) = 8+9

f(4) = 17