Can someone please help with this and please show workings

l4. Solve 41:1 3: 2. - ll graphically. Sketch a graph to show the solutions or explain how you used your graph to nd the solutions on your calculator. Solutions: Explanation: 15. Write a quadratic equation in standard form whose x-intercepts are (-5. } and (2, D) with a point at (-3, 6}. 16. A textile manufacturer has dain production costs of C(x) = 0.511 Ill]: + mono, where C is the east in dollars and x is the number of units produced. A. How many units should be produced each day to yield a minimum cost? B. On what interval will the total post he decreasing