write this under my study in my research format: The response in Figure 2 shows that L4 understand the impact of "a" on the parabola graph. She explained clearly that when "a" is greater than 0, the graph curves upwards and resembles a happy face. Conversely, when "a" is less than 0, the graph curves downwards and resembles a sad face. By establishing M connections, she was able to answer the question successfully