Question

The graph below shows a company's profit fbx), in dollars, depending on the price of pens x, in dollars, sold by the company
fox
20
h
30
Part A: What do the x-intercepts and maimum value of the graph represent? What are the intervals where the function is increasing and decreasing, and what do
they represent about the sale and profit? (4 points)
Part B: What is an approximate average rate of change of the graph from x=3 tox=5, and vinat does this rate represent? (3 points)
Part C: Describe the constraints of the domain (3 points)