What is Liturgical music?

Need to answer this question on a discussion board post

Which statement about sculptures depicting humans made in ancient egypt, greece, and the roman empire is true? question options: they had arms and legs that didn't protrude so the sculptures would last an eternity. they could be made using formulas, could show ideal beauty, or could be realistic. they showed the common man. they were made using bronze.

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