Given:
The revenue function is

The cost function is

To find:
The profit function.
Solution:
We know that, the total profit P is defined as total revenue R minus total cost C.
So, the profit function is




Therefore, the profit function is
.
Running time for 1 day = 15
Running time for 1 week = 15*7= 105
So, yes she has completed her goal
The equation would be -9+-9 = -18
Answer:

Step-by-step explanation:





