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 11 B 0/10 pts 0 3 2 99 G) Details .3 Q Use the graph to identify the :1: and y intercepts of the graph. Note the scale on each axis since they may not be the same. :1: intercept = ( ,0) y intercept = (0,3) 0 Question 12 B 0/10 pts 0 3 3 99 0 Details Find the slope of the Line. Enter your answer as an integer or as a reduced fraction in the form A/B. Question Help: 8 Message instructor Submit Question 0 Question 13 a 0/10 pts 0 3 2 99 (D Details q Use the graph to identify the a: and y intercepts of the graph. Note the scale on each axis since they may not be the same. :1: intercept = (S,:]) y intercept = (D,:]) Question Help: 8 Message instructor I Question 14 M 0/10 pts '0 3 Z 99 H) Details H)- 8 6 4 'I - -4 -2 J? 4 6 8 It -2 -4 -6 -8 49 q The graph shows your distance in mi es from the Quik-E-Mart in relation to the time in hours that you have been walking' Write an equation to model this situation, where d is distance in miles and h is time in hours. :1 Question Help: EIVideo 8 Message instructor I Question 15 B 0/10 pts '0 3 Z 99 6) Details Marcos purchases a top-up card for his pre-paid cell phone. His remaining balance, B, can be modeled by the equation B : 30 0.1512, where n is the number of minutes he's talked since purchasing the card. a) How much money was on the card when he purchased it? 5:]. Which intercept is this? Select an answer v b) How many minutes will he have talked when he runs out of money? [:] minutes. Which intercept is this? c) What is the slope of this equation? C] What are the units on the slope? I Question 16 B 0/10 pts '0 3 Z 99 6) Details Suppose that the world's current oil reserves is R : 1980 billion barrels. If, on average, the total reserves is decreasing by 16 billion barrels of oil each year, answer the following: A.) Give a linear equation for the total remaining oil reserves, R, in billions of barrels, in terms of t, the number of years since now. (Be sure to use the correct variable and Preview before you submit.) R: B.) 15 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.) 0 Question 17 B 0/10 pts '0 3 Z 99 0 Details Statins are used to keep cholesterol in check and are a top-selling drug in the U.S. The equation: S 7 1.7:; : 5.7 gives the amount of sales (S) of statin in billions of dollars a: years after 1998. According to this equation, how much will/did people in the U.S. spend on statins in the year 2008? Answer: People in the US. will spend :] billion dollars on statins in 2008. Question Help: Elvideo El Message instructor Submit Question 0 Question 18 a 0/10 pts 0 3 8 99 (D Details A town's population has been growing linearly. In 2003 the population was 52,000. The population has been growing by 2700 people each year. Write an equation for the population, F', a: years after 2003' Use the formula to find the population in 2009: :] Question 19 0/10 pts ' 3 99 0 Details IN Find the area of a triangle bounded by the y axis, the line f(x) = 10 - - , and the line perpendicular to f(a) that passes through the origin. Area = Question Help: Video Message instructor Submit QuestionI Question 20 B 0/10 pts '0 3 Z 99 (9 Details 5 Find the area of a triangle bounded by the y axis, the line m) = 10 7 Em, and the line perpendicular to f(a:) that passes through the origin