Creating new function from composition | Functions and their graphs | Algebra II | Khan Academy

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Algebra II on Khan Academy: Your studies in algebra 1 have built a solid foundation from which you can explore linear equations, inequalities, and functions. In algebra 2 we build upon that foundation and not only extend our knowledge of algebra 1, but slowly become capable of tackling the BIG questions of the universe. We'll again touch on systems of equations, inequalities, and functions...but we'll also address exponential and logarithmic functions, logarithms, imaginary and complex numbers, conic sections, and matrices. Don't let these big words intimidate you. We're on this journey with you!

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[angelparaiso]

Thank you so much! I was so confused when my teacher discussed it but with the help of you I truly understand it I can pass my quiz thanks to you.

[AsakiAoki-kyvd]

It really helps me a lot
Now I can catch up in my sr. high.

[sohaibahmed]

so then radical x^2-1 cancels ot and you're just left with one