Grade 11 Math

Question 7 (8 points) The half-life of sodium bicarbonate is 24 days. i. Create a table of values for the amount (mass) of sodium bicarbonate if you start with 20 grams. Start at 0 days and go up by 24 days until you hit 120 days. (3 marks) ii. Answer the following questions if you were graphing this relation: a) What is the independent variable? What are the units? (1 mark) b) What is the dependent variable? What are the units? (1 mark) c) What is the initial value? (1 mark) d) Describe the shape of this graph starting at the initial value as time increases. You may add a sketch to help in your description. (2 marks)