A function f ( x ) {\displaystyle f(x)} is called a rational function if and only if it can be written in the form. where P {\displaystyle P\,} and Q {\displaystyle Q\,} are polynomials in x {\displaystyle x\,} and Q {\displaystyle Q\,} is not the zero polynomial.
Docetaxel (Taxotere Â®) Docetaxel is a chemotherapy drug used to treat cancers including breast, prostate, non-small cell lung cancer, stomach and head and neck cancers. This information should ideally be read with our general information about chemotherapy and the type of cancer you have.
TaxolÂ® (NSC 125973) 1  Paclitaxel, the most well-known natural-source cancer drug in the United States, is derived from the bark of the Pacific yew tree (Taxus brevifolia) and is used in the treatment of breast, lung, and ovarian cancer, as well as Kaposi's sarcoma.