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The primary duties of the IT department in an organisation are to: Provide the organisation with the data storage and processing systems it needs to support and develop its operations. To keep the system up-to-date in response to changes of personnel, organisation, the law, statutory instruments (eg tax regulations) To ensure the software used is appropriate, legal and reliable. To install and maintain the appropriate hardware and networks. To develop data communications with outside users (eg the internet, banks, suppliers, customers) To train users in the use of the software and hardware. To ensure compliance with legislation on computer design and usage, data protection. etc To ensure that the system and data can be fully restored in the event of a system failure. (ie arrange data backup) To carry out risk analyses and take appropriate steps to deal with any perceived risk such as fire, vandalism, hacking, etc
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Is the relation a function?
Not every relation is a function. But every function is a relation. Function is just a part of relation.
The function f(x) x3 is called the function?
The cubic function.
If an inverse function undoes the work of the original function what does the original function's becomes the inverse function's domain?
Range
What are the ways in describing a function?
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.
How does the graph of the Mandelbrot set function relate to composite functions?
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.
