Hiromi sells 12 t-shirts each week at a price of $13.00. past sales have shown that for every $0.25 decrease in price, 4 more t-shirts are sold. knowing that revenue is a product of price and quantity, hiromi models his revenue by r(x) = (13 - 0.25x)(12 + 4x), where x represents the number of times there is a reduction in price.

question: what is the maximum revenue hiromi can generate each week? show work.

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.