Given -
s(d) = d³ + 9
To Find -
What is the maximum number of sales per day on the interval 0 < d ≤ 3 =?
Step-by-Step Explanation -
We are given that the function s(d) = d³ + 9
Lies between 0 < d ≤ 3.
So, the maximum number of sales per day is at d = 3
Putting d = 3 in s(d) = d³ + 9
s(d) = (3)³ + 9
s(d) = 27 + 9
s(d) = 36
Final Answer -
The maximum number of sales per day = 36