Question

Please help? Medals for best response

Answer 1

The graph below shows a company's profit f(x), in dollars, depending on the price of notebooks x, in dollars, being sold by the company:

graph of quadratic function f of x having x intercepts at ordered pairs negative 0, 0 and 4, 0. The vertex is at 2, 300

Part A: What do the x-intercepts and maximum 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? (5 points)

Part B: At one time the profit of the company was at least $220, what domain could possibly produce this profit?