/books/9780136970736/pdf2htmlex/index.html#page_1363530ARRAY252015105How You Will Spend Your AverageLife Expectancy of 78 YearsSleepingWorkingWatchingTVDoingHouseworkPrEatingSocializingShoppingSource: U.S. Bureau of Labor StatisticsAccording to the U.S. Bureau of Labor Statistics, you willdevote 37 years to sleeping and watching TV. The number ofyears sleeping will exceed the number of years watching TVby 19. Over your lifetime, how many years will you spend oneach of these activities?(Exercises 3-4 are based on the graph at the bottom-right of theprevious page.)3. The median yearly salary of a general manager with abachelor's degree or higher is $31,000 less than twice that ofa general manager with just a high school diploma. Combined,two managers with each of these educational attainmentsearn $149,300. Find the median yearly salary of generalmanagers with each of these levels of education.The bar graph shows median yearly earnings of full-time workersin the United States for people 25 years and over for threeoccupations and two levels of education. Exercises 3-4 are basedon the data displayed by the graph.4. The median yearly salary of a retail salesperson with abachelor's degree or higher is $14,300 less than twice that ofa retail salesperson with just a high school diploma. Combined,two salespeople with each of these educational attainmentsearn $79,900. Find the median yearly salary of salespeoplewith each of these levels of education.P.Despite booming new car sales with their cha-ching sounds, theaverage age of vehicles on U.S. roads is not going down. The bargraph shows the average price of new cars in the United Statesand the average age of cars on U.S. roads for two selected years.Exercises 5-6 are based on the information displayed by the graph.A verace Price of New Cars and136Median EarningsMedian Earnings of Full-Time U.S. Workers25 Years and Over by Occupation and Level of EducationHigh School DiplomaBachelor's Degree or Higher$100,000$80,000$60,000$40,000$20,00036,00041,800Sources: U.S. Census Bureau; Education Pays 2019Retail Administrative GeneralSalespersons Assistants ManagersSection 1.3 Models and Applications8. A new car worth $45,000 is depreciating in value by $5000per year.y,in dollars,a. Write a formula that models the car's value,after xyears.b. Use the formula from part (a) to determine after howmany years the car's value will be $10,000.(168 of 962)c. Graph the formula from part (a) in the first quadrant ofa rectangular coordinate system. Then show your solutionto part (b) on the graph.MacBook Pro1379. You are choosing between two gyms. One gym offersmembership for a fee of $40 plus a monthly fee of $25. The otheroffers membership for a fee of $15 plus a monthly fee of $30.After how many months will the total cost at each gym be thesame? What will be the total cost for each gym?10. Taxi rates are determined by local authorities. In New YorkCity, the night-time cost of a taxi includes a base fee of $3 plusa charge of $1.56 per kilometer. In Boston, regardless of thetime of day, the base fee is $2.60 with a charge of $1.75 perkilometer. For how many kilometers will the cost of anight-time taxi ride in each city be the same? Round to thenearest kilometer. What will the cost be in each city for therounded number of kilometers?

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