'Inquire' in the Bible

And the king said, Inquire thou whose son this youth is.

Was it to-day that I began to inquire of God for him? be it far from me: let not the king charge anything to his servant, nor to all the house of my father; for thy servant knew nothing of all this, less or more.

Then said Saul to his servants, Seek me a woman that has a spirit of Python, that I may go to her and inquire of her. And his servants said to him, Behold, there is a woman who has a spirit of Python at En-dor.

And Samuel said, Why then dost thou inquire of me, seeing Jehovah is departed from thee, and is become thine enemy?