Question

Determine whether the sequence could be arithmetic. If so, find the common difference and the next term.
46, 39, 32, 25, 18, ...

Answer 1

Go on, take a wild guess...:-)

Answer 2

From Mathematica:

FindSequenceFunction[{46, 39, 32, 25, 18}] = 53 - 7 n

Table[ 53-7n, {n,6} ] = {46, 39, 32, 25, 18, 11}