How to get good grades in Maths
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Answer:
Step-by-step explanation:
If the radius of the algae was approximately 13.29 mm, substitute f(d)=13.29 and solve for d to determine the domain:
B. The y-intercept is obtained when d=0, hence;
Therefore, the y-intercept represents that in 0 days the diameter of the algae will be 7 mm.
C. Now, to determine the rate of change of a function, use the following equation:
Then, determine the value of f(4):
Hence, the rate of change on that interval of the function:
This means that on average the algae grows 0.64mm per day.