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Function notation - Relations and Functions

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.

Lessons

    • a)
      f(){f(\heartsuit)}
    • b)
      f(θ){f(\theta)}
    • c)
      f(3){f(3)}
    • d)
      f(1){f(-1)}
    • e)
      f(3x){f(3x)}
    • f)
      f(x){f(-x)}
    • g)
      f(3x4){f(3x-4)}
    • h)
      3f(x){3f(x)}
    • i)
      f(x)3{f(x)-3}
    • a)
      f(3)
    • b)
      f(-8)
    • c)
      f(-2/5)
    • a)
      x+5{\sqrt{x}+5}
    • b)
      x+5{\sqrt{x+5}}
    • c)
      2x3{\sqrt{2x-3}}
    • d)
      8x{-8\sqrt{x}}
    • e)
      82x3{-8\sqrt{2x-3}}
    • f)
      4x5+914\sqrt{x^{5}+9}-1
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Function notation

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