Practice problem
Given the following recurrence relation, find the 7th term. an+1=2an+−2;a1=1a_{n+1}=2a_n+-2; \quad a_1=1an+1=2an+−2;a1=1
−62-62−62
−14-14−14
−30-30−30
111
Type a concept, like “slope” or “photosynthesis”.