13.1 Function notation
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Function notation

Function notation is another way to express the y value of a function. Therefore, when graphing, we can always label the y-axis as f(x) too. It might look confusing, but let us show you how to deal with it.


    • a)
    • b)
    • c)
    • a)
      f(4) f(\sqrt{4})
    • b)
      f(5) f(-\sqrt{5})
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Function notation

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