Afurniture store is having a weekend sale and is offering a 20% discount on patio chairs and tables. the sales tax on furniture is 6.25% using functions composition how can you represent the total amount a that you would need to pay for furniture that costs x dollars

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.