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- 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].
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Earn +20 ptsQ: What are three steps to write a function rule?
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Continue Learning about Other Math
How do you write the rule for a sequence?
You can write it as Un or f(n) equal to some function of n, where the function can be anything at all.
What is the function of a meter rule?
Measurement of length.
An equation that describes a function?
a function rule
Find the rule for each function table?
Well, look for a continuing pattern. Once you find one that makes sense for each value, write it into an equation....look at example below x- 2,4,6,8 y- 4,16,36,64 the rule for this function is y=x squared.
The operation performed on the input of a function?
function rule
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