0 Question 1 8 0/10 pts '0 3 8 99 G) Details In 2004, a school population was 1189. By 2006 the population had grown to 1457. 1) How much did the population grow between the year 2004 and 2006? students 2) How long did it take the population to grow from 1189 students to 1457 students? years 3) What is the average population growth per year? Select an answer v 4) What was the population in the year 2000? students 5) Find an equation for the population, P, of the school t years after 2000. 6) Using your equation, predict the population of the school in 2011. C] students 0 Question 10 B 0/10 pts 0 3 3 99 (D Details 4k q Which of the following equations corresponds to the graph? (Hint: Use the a: and y intercepts.) O 7 5:1: 7 3y : 7 30 0 +52: + 3y : 7 30 O75m+3y= 730 0 Question 2 [3 0/10 pts '0 3 8 99 G) Details The phone company Ringular has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 380 minutes, the monthly cost will be $191. If the customer uses 990 minutes, the monthly cost will be $435. A) Find an equation in the form 3; : ma: + b, where a: is the number of monthly minutes used and y is the total monthly of the Ringular plan. Do not use any commas in your answer. B) Use your equation to find the total monthly cost if 883 minutes are used. Answer: If 883 minutes are used, the total cost will be S dollars. Question Help: El Video 8 Message instructor Submit Question I Question 3 B 0/10 pts '0 3 Z 99 0 Details In 1992, the moose population in a park was measured to be 3640. By 1998, the population was measured again to be 3760. If the population continues to change linearly: A.) Find a formula for the moose population, P, in terms of t, the years since 1990. Pm : :l B.) What does your model predict the moose population to be in 2003? C] Question Help: El Video 8 Message instructor Submit Question I Question 4 B 0/10 pts 0 3 2 99 (9 Details Suppose that the world's current oil reserves is R : 2020 billion barrels. If, on average, the total reserves is decreasing by 20 billion barrels of oil each year, answer the following: A.) Give a linear equation for the total remaining oil reserves, R, in terms of t, the number of years since now. (Be sure to use the correct variable and Preview before you submit.) B.) 8 years from now, the total oil reserves will be [:] billions of barrels. C.) If no other oil is deposited into the reserves, the world's oil reserves will be completely depleted (all used up) approximately [:] years from now. (Round your answer to two decimal places if necessary.) Question Help: El Video 8 Message instructor Submit Question I Question 5 B 0/10 pts 0 3 Z 99 (D Details The median home value in Kansas and New Jersey (adjusted for inflation) are shown below: New Jersey If we assume that the house values are changing linearly, a) In which state have home values increased at a higher rate? b) If these trends were to continue, what would be the median home value in Kansas in 2010? 5:] c) If we assume the linear trend existed before 1950 and continues after 2000, the two states' median house values will be (or were) equal in what year? (The answer might be absurd) The year Question Help: El Video 8 Message instructor Submit Question 0 Question 6 B 0/10 pts '0 3 Z 99 (9 Details Terry is skiing down a steep hill. Terry's elevation, E(t), in feet after 25 seconds is given by E(t) : 3700 7 Slit. The equation tells us that Terry started C] and his e by C] Question Help: El Video 8 Message instructor Submit Question I Question 7 B 0/10 pts '0 3 Z 99 0 Details Interpreting a Linear Equation At 12:00 PM. the volume of water in a tank started changing steadily over time. The volume V measured in gallons, t minutes after the water volume started to change is given by the equation V : 37300 18.6515. The equation tells us that the volume of water in the tank was initially [:] gallons, and that the volume e by C] e Question 8 0/10 pts ' 3 99 0 Details The function k(x) shown in the table below is a linear function. Find its slope, y-intercept, and formula in slope-intercept form. X -6 -4 -2 0 2 4 6 8 10 k(x) 39 27 15 3 -9 -21 33 -45 -57 The slope is The y-intercept is The slope-intercept form is k(a) = Question Help: Message instructor Submit Question. Question 9 0/10 pts 9 3 99 0 Details Some values of a linear equation are provided. Complete the table. y - 6 2 - 4 3 5 Question Help: Message instructor Submit