Determine the 15th term of the sequence - 2, 4, ...

-2, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56

Mot enough information given.

The rule might be

- - add 6

or

- - double and add 8

or

- - square

or

- - multiply by - 2.

We need one more term to determine what the rule is for calculating the next term from the previous one.

The