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We argue using the discriminant of a quadratic polynomial. For a quadratic ax^2 + bx + c=0, the discriminant D is D = b^2 - 4ac. When this quadratic has two distinct real roots, we have that D > 0. So ...

I don't understand why the function "f(x)=x^2 for all real values of x" has no inverse. Isn't sqrt(x) the inverse?
I like to think of a function a bit like a machine. It takes in a number, ...

It explains the flow of information in biological systems, especially in eukaryotes. It can be simplified to "DNA makes RNA makes protein". This explains how DNA, which is passed down the genera...

Most importantly, answers to essay questions in the LNAT need to be relevant and well-written. These are the qualities of a good lawyer.
The answer to this question should therefore demonstrate a ba...

During the reign of Henry VIII there was broad structural change in central governance brought about by the transformative effects of the Reformation, and there was a fundamental shift in the structure of...