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An executive interested in cutting costs does a study on the weekly cost of heating the company's building to different temperatures during the winter. Here are the results Temperature (°F 65 72 67 70 62 60 74 Cost per Week (dollars) 330 435 370 395 305 285 450 Part A: Make a scatter plot of the data and determine the type of function that best models the data Explain Part B: Use a regression feature of a graphing calculator to find a function that models the data Graph the function and data to verify that the function is a good model. Does your model fit the data? Explain Par C: Use your model to predict the cost per week to heat the building to 68°F​