1. Közösség
2. Study Group

How do I, algebraically, find the inverse function to f(x) = 2x/(x^2-1) ? 

1. Közösség
2. Study Group

Say x^6 - 64 = f(x). The domain of this function is (-infty,infty). But   f(x)/(x-2) is a continuous graph and does not have any breaks at x=2. Why is this? If it is because it is divisible by (x-2...

1. Közösség
2. Study Group

If natural numbers are defined to NOT include 0. Why do they include numbers with digits 0??