8.5 Function notation

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(3)
    • b)
      f(-8)
    • c)
      f(-2/5)
    • a)
      f(4) f(\sqrt{4})
    • b)
      f(5) f(-\sqrt{5})
Teacher pug

Function notation

Don't just watch, practice makes perfect.

We have over 3340 practice questions in Basic Algebra for you to master.