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.
It varies from job to job. Freelance models have more flexible rates, while agency represented models are able to get the higher rates. Typical hourly rates are anywhere from â¦ $100-200 an hour or a day rate of $500 or higher.he hourly pay rate for photo models can vary greatly. The average  salary for a photo model is about $21. It can get as high as $38  for experienced models. Edit.