Not every relation is a function. But every function is a relation. Function is just a part of relation.
The cubic function.
Range
A formula or graph are two ways to describe a math function. How a math function is described depends on the domain of the function or the complexity of the function.
The Mandelbrot graph is generated iteratively and so is a function of a function of a function ... and in that sense it is a composite function.
Daily Gazetteer was created in 1735.
Rawalpindi Gazetteer was created in 1895.
Gazetteer for Scotland was created in 1995.
I consulted the gazetteer to locate a specific town in the region.
Gazetteer of the Bombay Presidency was created in 1896.
Imperial Gazetteer of Scotland was created in 1856.
Universal Pronouncing Gazetteer was created in 18##.
The Imperial Gazetteer of India was created in 1869.
Living Greyhawk Gazetteer was created in 2000-11.
Living Greyhawk Gazetteer has 192 pages.
A gazetteer is a geographical dictionary or directory used to locate places.
a gazetteer is a geographical dictionary that help you locate places discussed in a text book.