Practice problem
Find an explicit formula for the nthn^{\text{th}}nth term of the following sequence: 1,4,7,10,13,16,19,...1, 4, 7, 10, 13, 16, 19,...1,4,7,10,13,16,19,...
3n−13n-13n−1
3n−23n-23n−2
n+2n+2n+2
n−2n-2n−2
Type a concept, like “slope” or “photosynthesis”.
