Alinear function that represents the number of video games purcgased at an electronics store is compared to a different linear function that represents the amount of money the store made that day. describe the key features of the functions that are needed to determine if these lines inersect

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.