1.Suppose C and D represent two different school populations where C > D and C and D must be greater than 0. Which of the following expressions is the largest? Explain why. Show all work necessary.

1. (C + D)²
2. 2(C + D)
3. C²+ D²
4. C² D²

2. Two students, Ann and Max, factored the trinomial 4x² 6x 4. Ann factored it as 2(x 2)(2x + 1) and Max factored it as (x 2)(4x + 2). Indicate which student factored the trinomial completely and which student did not, and explain why.

3.The functions f(x) = (x 1)²+ 5 and g(x) = (x + 2)² 3 have been rewritten using the completing-the-square method. Is the vertex for each function a minimum or a maximum? Explain your reasoning for each function.