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The relation T =190 can be used to determine the length of time, t, in hours, that milk of a certain fat content will remain fresh. T is the storage temperature, in degrees Celsius. a) What is the freshness half-life of milk? b) How long will milk keep fresh at 4* C? 3. Knowledge/Understanding [4 marks] Jasmine is saving to buy a condominium. She invests $1200 at an annual rate of 5.5%. This is expressed by the equation A=1200(1.055)", where A is the value of the investment after n years. a) What is the value of the investment after 5 years? b) What is the value after 10 years? 5. Application [3 marks] raccoon population is growing exponentially. The expected population, noted by wildlife biologists, can be estimated by P =1250(1.013)" where P is the population and n is the number of years. What is the expected population in 5 years?a) Calculate the value of x, rounding your answer to one decimal place. (3 marks) b) Calculate the value ofy, rounding your answer to the nearest tenth of a metre. (4 marks) c) Calculate the value of AC, accurate to the nearest degree. (3 marks) - 18? ft: $455\" 2. The top of a lighthouse is 100 m above sea level. The angle of elevation from the deck of the sailboat to the top of the lighthouse is 28. Calculate the distance between the sailboat and the lighthouse. [5 marks] 3. An archer shoots and gets a bulls-eye on the target. From the archer's eye level the angle of depression to the bulls-eye is 5". The arrow is in the target 50 cm below the archer's eye level. Calculate the distance the arrow ew to hit the target (the dotted line). [5 marks]