Question

Find the first five terms of the sequence whose nth term is given.
a: (-2)n + 2n
b: n squared(-1)n
c: |10-n squared|

Answer 1

what, you have a problem evaluating expressions?

(-2)^n+2n: -2+2, 4+4, -8+6, 16+8, ...
n^2(-1)^n: -1, +4, -9, ...
|10-n^2|: |10-1|, |10-4|, |10-9|, ...