2. Write the equation of the graph below. 5. Using sign analysis, graph & write the solution of: -150 x (x + 2)2(x - 3) >0 -120 90 -30- 30 3. A rectangular pen is to be constructed alongside a - 4 - 3 - O barn using 120 feet of fencing. the barn will be used for one side of the pen. What should the dimensions of the pen be to maximize its area. 6. If (x + 4) is a factor of x3 + 2x2 - 7x + 4. Find all the zeros and sketch the graph