### Home > A2C > Chapter 12 > Lesson 12.1.1 > Problem12-21

12-21.

Is $435$ a term in the sequence $3, 11, 19,$…? If so, which term is it? If not, justify why not. Homework Help ✎

Find the rule for the sequence.

When you substitute $435$ for $t(n)$, do you find a positive integer value for $n$?