MAT 150 SLP 3 Assignment Name: Luis Villanueva Date: 25 July 2016 Instructor: Professor Liu 1. A rug company uses the following function to calculate the cost of producing throw rugs. C(x)= 2.78x+23 If x represents the number of rugs, find the cost when 200 rugs are produced. Answer: _______________ 2. A ball is dropped from a height of 65 feet and modeled by the following function h(t)= -6t2 + 40t If t represents the time in seconds after the ball is dropped, find h(5). Answer: _______________ 3. The profit for selling cases of paper is represented by p(x)= 3.65x - 7.80. If x=2,000 and represents the cases of paper that are sold, find the profit. Calculations: Answer: _______________ 4. The time it takes a mechanic to complete an oil change is 7 minutes for each oil change and 10 minutes to set-up the station for the day. Write a function where x H. Fernandez 2014 represents the number of cars that get an oil change. How long does it take to complete 50 oil changes? Calculations: Answer: Function: ___________________________ Time after 50 oil changes: ______________ 5. An electrician charges a trip fee of $40 and $65 per hour. If h represents the number of hours he works on a job, write a function that represents this scenario. Calculate the cost of a job that runs for 7 hours. Calculations: Answer: Function_______________ Cost _________________ 6. The dosage (in mg) for Flea Alert is modeled by the function d ( x)=98 x /18 where x represents the weight of the dog. Find the dosage for a dog that weighs 50 lbs. and a dog that weighs 14 lbs. Calculations: Answer: 50 lb. dog= _______________ 14 lb. dog= _______________ H. Fernandez 2014