Acompany models its net income, in thousands of dollars, with the function f(x) = 9x2 - 54x - 144, where x is the number of units of its product sold. how many units of its product does the company need to sell in order for the net income to equal $0?

Suppose you are analyzing the relationship between time and distance given in a table, and there are 4 values for each quantity. you divide distance 2 minus distance 1 by time 2 minus time 1.you then divide distance 4 minus distance 3 by time 4 minus time 3 and get a different answer. what can you say about the relationship?