You plan to open a lemonade stand near where you live. the cost to buy the wood is $60 and the cost to make the lemonade is $3 per cup. you plan to sell each cup pf lemonade for $5. let x be the number of cups of lemonade sold Write a function P(x) that represents the total profit you earned from selling x cups of lemonade

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.