Daniel 2:15

He answered and said to Arioch the king’s captain, Why is the decree so hasty from the king? Then Arioch made the thing known to Daniel.

Cross-reference

Daniel 2:9 reveals the king's death threat that makes the decree urgent—Daniel's question directly responds to that context.

Daniel 2:24 shows the outcome—Daniel secures the reprieve for the wise men after his inquiry here.