The problem comes when the icon that it defaults to for printing is a right load, but the only way that envelopes can be loaded is in the center of the tray. I have an HP Colorlaserjet 3600 and an HP Officejet Pro 8600 and both load this way.
A technical definition of a function is: a relation from a set of inputs to a set of possible outputs where each input is related to exactly one output.
Functions and relations are found everywhere in maths. We can define as relation as a set of ordered pair connected together in a well defined manner. On the other hand, a function is a relation which has only one output value of each permitted or allowed input value. There are several different kinds of functions. Polynomial function is one of the important ones. As the name polynomial itself indicates, poly stands for many and nomial suggests terms. Thus, the function which contains many terms is called as a polynomial.