GreeniesÂ® not only cleaned his teeth, but freshened his breath as well. Since its introduction, GreeniesÂ® have helped clean teeth and freshen breath for millions of dogs all over the world. Doggie breath, along with many health problems in pets, can be avoided with proper dental care.
When referring to applying g(x) to f(x), the function composition is denoted as (f\:\circ\:g)(x),\:or\:f(g(x)). Functions. A function basically relates an input to an output, thereâs an input, a relationship and an output. For every input there is only one output.
In mathematics, the sign function or signum function (from signum, Latin for sign) is an odd mathematical function that extracts the sign of a real number. In mathematical expressions the sign function is often represented as sgn.