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.
One of the hottest career field for professionals with a library science masterâs degree is that of data science. According to Glassdoor.com, the median salary for this field is an impressive $117,000. This is a lot more than many business and data analysts make.Just be aware that there are many excellent career paths if you have your masterâs degree in library science, far beyond working in a library.he top 10%, almost always with a masterâs degree or higher, earned more than $84,000 per year. As of 2011, about 40% of librarians in the US worked for elementary and secondary schools. There they earned a median salary of $59,000. About 25% of librarians worked for local governments and earned $51,000.