Lesson 20

# Lesson 20 - Lesson 20 Function a connection between sets in...

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Unformatted text preview: Lesson 20 Function:- a connection between sets in which each element of the first set corresponds with exactly one element of the second set - the first set is called the domain and the second set is called the range Functions as equations:- in terms of an equation, a function can thought of as a rule that states what operations are performed on the inputs - the domain is the set of inputs and the range is the set of outputs - in order for an equation to be a function, every input can have only one output - functions are represented by arbitrary letters, such as ¡ ¢¡ £ ¤ An example of a function is (¥) ¦ ¥ § . The name of this function is , the input of the function is ¥ , and the output (or function value) is (¥) , or ¥ § . The rule for this function is that everything that goes in gets squared, so if 2 goes in, 4 comes out, which means (¨) ¦ © . In this case, 2 is the input and 4 is the output....
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Lesson 20 - Lesson 20 Function a connection between sets in...

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