Answer:
Option B is correct.
Step-by-step explanation:
Given Sequence is:
4 , -8 , 16 , -32 , ...
To find: Explicit formula for the sequence.
From give sequence,
Option A :
of the sequence does not matches with the of the formula.
Thus, This option is incorrect.
Option B :
of the sequence matches with the of the formula.
Thus, This option is correct.
Option C :
of the sequence does not matches with the of the formula.
Thus, This option is incorrect.
Option D :
of the sequence does not matches with the of the formula.
Thus, This option is incorrect.
Therefore, Option B is correct.