Why is there no record of music written by the troubadors, but there was written music for the church?

Why is it so important for art critics to get their reviews published by the media? a. unpublished critics can work only in art galleries, not museums, b. people must be published before they can be accepted into programs to study how to become art critics. o c. once critics' reviews have been published, critics no longer have to promote themselves to become known, o d. if no one has heard of them, no one will care what they have to say about art.

If g(x) is the inverse of f(x) and (x) = 4x + 12, what is g(x)?

Pls! choice of medium allows the artist to a.convey different messages.b.experiment with combining materials to create new media.c.reconnect with old forms of art.d.improve realism in art, particularly with portraits.