<p>Page 367; 68, 74 and 85a </p><p>68.) Rule of 70 a.] Show your work for the calculation of each doubling time. r=4 d = r = 6 d = r = 9 d = r = 10 d = r = 12 d =</p><p> b.] Test the Rule of 72 r=4 d = r = 6 d = r = 9 d = r = 10 d = r = 12 d =</p><p> c] Test the Rule of 69 r=4 d = r = 6 d = r = 9 d = r = 10 d = r = 12 d =</p><p> d.] Calculate using B = Pert r=4 d = r = 6 d = r = 9 d = r = 10 d = r = 12 d = e.] Based on the results above, write a paragraph explaining which of the three rules you would prefer to use. Support your reasoning.</p><p>74. Using Forensic Science to Solve a Murder a.] Give the graph for t > 0 (be sure to correctly label your axis and use appropriate scales)</p><p>Paste graph here: What is the horizontal asymptote of the graph (give the equation)?</p><p>What does the horizontal asymptote represent (in terms of this problem)?</p><p> b.] </p><p>What is the temperature after 10 hours? How long does it take the temperature to reach 25°C? c.] </p><p>What time will he need the alibi? (show your calculations)</p><p>85.) Population Growth</p><p> a.] Use the formula given to complete the chart:</p><p>Year Calculated Population Paste your graph here:</p><p>1790</p><p>1800</p><p>1830</p><p>1860</p><p>1880</p><p>1900</p><p>1920</p><p>1940</p><p>1960</p><p>1980</p><p>1990</p><p>2000</p>