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Pre-calculus - Learn how to evaluate the difference of two functions, f(x) = x^2 + 1; g(x) = sqrt(x)

In this video series we will investigate the basics of what you will need to know to be successful in Pre-Calculus. We will ...
Ars Technica

Applied or Pre Calc?

My high school didn't offer a choice between Applied or Pre Calc so I don't know what they're about. My Pre Calc class was basically trig and some early stuff in calculus. I think the point is that ...