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What are three steps to write a function rule?

In: Math and Arithmetic [Edit categories]

Answer:

Define the domain.
Define the codomain (range)
Describe, in some way, the mapping from each element in the domain to an element (not necessarily always different) in the codomain.

In step 3, the description can be given in the form of words [eg double the number and add three] or symbols [eg f(x) = 2x + 3].

First answer by Mehtamatics. Last edit by Mehtamatics. Contributor trust: 614 [recommend contributor ]. Question popularity: 2 [recommend question].

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