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Therefore, function notation is a way in which a function can be represented using symbols and signs. Function notation is a simpler method of describing a function without a lengthy written explanation. The most frequently used function notation is f(x) which is read as “f” of “x”.

Answer:

2. Function notation is a way to write functions that is easy to read and understand.

3.

Written as an equation: [tex]y=5x[/tex]

Written in function notation: [tex]f(x)=5x[/tex]