Question

find the first five terms of the given sequence
a1=2,an+1=an-7
a. 2,-5,-12,-19,-26
b. 2,-26,-19,-12,-5
c. 2,-9,-16,-23,-30
d. 2,-5,-4,-3,-2

Answer 1

this is a lot easier than the last one!
you can just about do it in your head

Answer 2

\[a_1=2\]
\[a_2=2-7=-5\]
\[a_3=-5-7=-12\]...