Samsung is also in the business of selling phones. The data for the profit that Samsung makes on selling tablets is represented by the following equation and "P(b)" and "b" being the number of blackberry phones sold (both variables in millions): − x^2 − 6 x + 8
Use the quadratic formula to solve the equation. Is the vertex a maximum or minimum point? Describe what the vertex means in terms of this problem. SHOW ALL WORK!!