Addition of functions: the Polynomial Form Sum of quadratic functions Below are two lists of quadratic functions. Each function in List II is the sum of two functions in List I. Find the pair of functions in List I that each function in List II sums. How did you check that you selected the correct pair? Describe the considerations that helped you choose the correct pairs of functions. List I f1 f2 f3 f4 f5 f6 List II g1 g2 g3 g4 g5 g6 g7

The three components Quadratic functions - polynomial form Addition of functions Polynomials Constructing a function in Polynomial Form Changing a coefficient Family features I Family features II Sum of linear and quadratic Sum of quadratic functions Green areas Constructing quadratic functions through points Extension: polynomials Exercise 1 Exercise 2 Exercise 3 Exercise 4 Exercise 5 Exercise 6