Explanation:
Question 1
At $5 = $3750 revenue
At $17 = $2500 revenue
Hence, at $5 the revenue is more.
Question 2
Looking at the vertex (maximum point of the curve), we can identify that the company should sell their products at cost of $10 by which they will make a revenue of $5000.
Question 3
Domain lies in the x axis of the graph. Here the domain:
0 ≤ x ≤ 20
