4 Logarithmic Functions Every function of the form f (x) = a x passes the Horizontal Line Test and therefore must have an inverse function. This inverse function is called the logarithmic function with base a. 5 Logarithmic Functions The equations y = log a x and x = a y are equivalent.
Measles, Mumps and Rubella (MMR) vaccine. Disadvantages to the MMR vaccine. A vaccine, like any medicine, is capable of causing serious problems, such as severe allergic reactions.The risk of MMR vaccine causing serious harm, or death, is extremely small.Mild problems include: Fever (up to 1 person out of 6) Mild rash (about 1 person out of 20) Swelling of glands in the cheeks or neck (rare) If these problems occur, it is usually within 7-12 days after the shot. Moderate problems include:he risk of MMR vaccine causing serious harm, or death, is extremely small. Mild problems include: Fever (up to 1 person out of 6) Mild rash (about 1 person out of 20) Swelling of glands in the cheeks or neck (rare) If these problems occur, it is usually within 7-12 days after the shot. Moderate problems include:
MMR vaccine. The MMR vaccine contains vaccines that protect against three viral infections: measles, mumps and rubella. It is given as a series of two doses at 12 to 15 months of age and at 4 to 6 years of age.