x = A sin â¡ ( Ï [ t â K ] ) + b , {\displaystyle x=A\sin(\omega [t-K])+b\ ,}. 1  A is the amplitude (or peak amplitude), 2  x is the oscillating variable, 3  Ï is angular frequency, 4  t is time, 5  K and b are arbitrary constants representing time and displacement offsets respectively.
Modeling agency. A modeling agency is a company that represents fashion models, to work for the fashion industry. These agencies earn their income via commission, usually from the deal they make with the model and or the head agency. The top agencies work with big-budget advertising agencies and fashion designers.
Models are not required to attend modeling school, though it is very beneficial in learning the lifestyle. Professional models earn salaries that are commensurate with their experience and versatility. A Model gets an average salary of around 32000 to 48000 based on levels of tenure. Models earn a wage of Forty Nine Thousand Two Hundred dollars on an annual basis. Models make the most money in California, where they earn average pay levels of close to $42180.