Question

Determine the recursive formula for the sequence
-7, -13, -19, -25, -31....

Answer 1

x = x + (-6)

Answer 2

\[x_{n+1}=x_{n}-6\]the subscripts are important

Answer 3

Thanks for that correction @TuringTest

Answer 4

think this squence like a loop :D then by every step it rises
i++
x = x - 6, but TuringTest's answer is more good for math :P

just old habits from programming lol