A planet is received by rotation of the square around one of its diagonals. Prove that the functional equation admits no continuous on solutions . Prove that for each function continuous on . Let for some and all and for some . Then there exists an increasing function such that , where is the converse to function.
Substances desintegrate in a human organism.
The speed of the desintegration is proportional to the mass of a substance. The half-life of the drug is two hours. The drug must be taken as rarely as possible. The speed of integration for is equal to the half of the speed of the desintegration for . The function can be represented as a composition where is a polynomial of the degree 2 and is twice differentiable.