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Inverse of functions | functions | pre-calculus

In this video I will go through my notes to explain how to determine the inverse of a function. We will mainly focus on ...
The New York Times

This Professor’s ‘Amazing’ Trick Makes Quadratic Equations Easier

Looking for the answers to ax² + bx + c = 0? A mathematician has rediscovered a technique that the ancient Babylonians used. By Kenneth Chang and Jonathan Corum The quadratic equation has frustrated ...