Section 3.1 Rectangular Coordinate System 199 0 1 2 3 4 5 6 7 8 9 10 11 12 90 80 70 60 50 40 30 20 10 0 1 2 3 4 5 6 Number (thousands) Number of Housing Permits 8.0 7.5 7.0 6.5 6.0 5.5 5.0 4.5 Year 3. The number of patients served by a certain hospice care center for the first 12 months after it opened is shown in the graph. a. For which month was the number of patients greatest? b. How many patients did the center serve in the first month? c. Between which months did the number of patients decrease? d. Between which two months did the number of patients remain the same? e. Which month corresponds to 40 patients served? f. Approximately how many patients were served during the 10th month? 4. Recently the number of housing permits (in thousands) issued by a county in Texas between year 0 and year 6 is shown in the graph. a. For which year was the number of permits greatest? b. How many permits did the county issue in year 0? c. Between which years did the number of permits decrease? d. Between which two years did the number of permits remain the same? e. Which year corresponds to 7000 permits issued? 5. The price per share of a stock (in dollars) over a period of 5 days is shown in the graph. a. Interpret the meaning of the ordered pair (1, 89.25). b. What was the change in price between day 3 and day 4? c. What was the change in price between day 4 and day 5? 95.00 94.00 93.00 Price per Share ($) 92.00 91.00 (4, 93.00) 0 1 2 3 4 5 Price ($) Day 90.00 89.00 88.00 87.00 86.00 y x (1, 89.25) (2, 92.50) (3, 91.25) (5, 90.25) Number of Patients Number of Patients Served by Month 0 Month 6. The price per share of a stock (in dollars) over a period of 5 days is shown in the graph. a. Interpret the meaning of the ordered pair (1, 10.125). b. What was the change between day 4 and day 5? c. What is the change between day 1 and day 5? Price per Share ($) 12.000 10.000 2.000 (2, 9.875) (4, 9.500) 0 1 2 3 4 5 Price ($) Day 8.000 6.000 4.000 0.000 y x (1, 10.125) (3, 9.500) (5, 8.625)
miller_beginning_intermediate_algebra_4e_ch1_3
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