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Cengage Learning filed for bankruptcy under Chapter 11 on July 2, 2013. [22] [27] Cengage Learning emerged from bankruptcy on April 1, 2014, eliminating approximately $4 billion of its funded debt and securing $1.75 billion in exit financing. Post-bankruptcy, the company decided to focus on developing digital study guides and other educational ...
In mathematics, a basic algebraic operation is any one of the common operations of elementary algebra, which include addition, subtraction, multiplication, division, raising to a whole number power, and taking roots (fractional power). [6] These operations may be performed on numbers, in which case they are often called arithmetic operations.
James Drewry Stewart, MSC (March 29, 1941 – December 3, 2014) was a Canadian mathematician, violinist, and professor emeritus of mathematics at McMaster University. Stewart is best known for his series of calculus textbooks used for high school, college, and university-level courses.
On May 1, 2019, McGraw-Hill Education announced an agreement to merge with Cengage. The merged company was expected to retain McGraw Hill as the corporate name. [31] [32] The merger was called off on May 1, 2020. [33] In 2019, McGraw Hill acquired Core-Plus Mathematics Project. In 2020, McGraw Hill became a distributor for Illustrative Mathematics.
[17] [20] If, as usual in modern mathematics, the axiom of choice is assumed, then f is surjective if and only if there exists a function : such that =, that is, if f has a right inverse. [20] The axiom of choice is needed, because, if f is surjective, one defines g by g ( y ) = x , {\displaystyle g(y)=x,} where x {\displaystyle x} is an ...
According to the National Association of College Stores, the entire cost of the book is justified by expenses, with typically 11.7% of the price of a new book going to the author's royalties (or a committee of editors at the publishing house), 22.7% going to the store, and 64.6% going to the publisher.
Algebra is the branch of mathematics that studies certain abstract systems, known as algebraic structures, and the manipulation of expressions within those systems. It is a generalization of arithmetic that introduces variables and algebraic operations other than the standard arithmetic operations, such as addition and multiplication.