Question 1 (Essay Worth 10 points) (03.03 MC)
A biologist is studying the growth of a particular species of algae. She writes the following equation to show the radius of the algae, tid), in mm, after d days:
d) - 7(1.06)
Part A: When the biologist concluded her study, the radius of the algae was approximately 13.29 mm. What is a reasonable domain to plot the growth function? (4 points)
Part B: What does the y-intercept of the graph of the function (d) represent? (2 points)
Part C: What is the average rate of change of the function f(d) from 4 to 11, and what does it represent? (4 points)