1. The function = 18g describes 2. The function = 0.5m + 1describes the cost FUEL CONSUMPTION d HOTELS c c the distance d that Rick can drive his truck on g gallons in dollars of a phone call that lasts minutes made m of gasoline. Graph this function. Why is it sufficient to from a room at the Shady Tree Hotel. Graph the graph this function in the upper right quadrant only? function. Use the graph to determine how much a How far can Rick drive on 2.5 gallons of gasoline? call will cost. A computer store charges $45 for materials and $50 an Jonah received $300 in cash gifts for his 3. 4. GIFTS hour for service to install two new programs and a fourteenth birthday. The function = 300 25x y – connection. The cost is a function of the number describes the amount remaining after weeks if C(h) y x of hours it takes to do the job. Graph the function Jonah spends $25 each week. Graph the function and h = 45 + 50h. How much will a 3-hour installation determine the amount remaining after 9 weeks. C(h) cost? 5. Explain how you can use your graph in Exercise 6. Ron got a cell phone rate of = 0.22 + 0.10a. Graph C(a) GIFTS 4 to determine during which week the amount the cost per minute. How much will a five-minute call remaining will fall below $190. Then find the week. cost?
1. FUEL CONSUMPTION The function d = 18g describes the distance d that Rick can drive his truck on g gallons of gasoline. Graph this function. Why is it sufficient to graph this function in the upper right quadrant only? How far can Rick drive on 2.5 gallons of gasoline? 2. HOTELS The function c = 0.5m + 1describes the cost c in dollars of a phone call that lasts m minutes made from a room at the Shady Tree Hotel. Graph the function. Use the graph to determine how much a call will cost. 3. A computer store charges $45 for materials and $50 an hour for service to install two new programs and a connection. The cost C(h) is a function of the number of hours h it takes to do the job. Graph the function C(h) = 45 + 50h. How much will a 3-hour installation cost? 4. GIFTS Jonah received $300 in cash gifts for his fourteenth birthday. The function y = 300 – 25x describes the amount y remaining after x weeks if Jonah spends $25 each week. Graph the function and determine the amount remaining after 9 weeks. 5. GIFTS Explain how you can use your graph in Exercise 4 to determine during which week the amount remaining will fall below $190. Then find the week. 6. Ron got a cell phone rate of C(a) = 0.22 + 0.10a. Graph the cost per minute. How much will a five-minute call cost?
hpzR0EgsSaJ2QcGBI8qWLh7PSqAXSW8DwzIsmr35lTXxBybT.docx