It is written with the standard y-variable in terms of the x-variable, which is the input variable, or independent variable. This is generally how students first learn how to write functions in mathematics. It is a good way of exposing students to functions; however, y = 3 x + 7 is not written in function notation.
Graduate Degree. Employers typically prefer to hire librarians who have completed a master's degree program accredited by the American Library Association (ALA). Such degree programs include the Master of Library and Information Science and Master of Library Science (MLS), which typically take 1-2 years to complete.pecialization may be required for some positions. For example, school librarians in many states are required to earn a master's degree in education or library science with a specialty in library media.
Steps. 1. Search for an accredited masterâs program. You must earn your masterâs degree from an ALA-accredited university or college. 1  If you are interested in earning your masterâs in library science completely online, search the ALAâs database of 100 percent online studies for MLS degrees. If you are interested in earning your masterâs in library science completely online, search the ALAâs database of 100 percent online studies for MLS degrees.