Question

What are the explicit equation and domain for an arithmetic sequence with a first term of 6 and a second term of 2?

Answer 1

Hello,

Domain={1,2,3,4,5,6...}

a(1)=6
a(2)=6-4=2
a(3)=2-4=-2=6-2*4
...
a(n)=6-4*(n-1)