. Identify this information as a point on the graph of theoverestimate or underestimate the actual data shown by the bar graph? By how much?W.Section 2.3If a function is defined by an equation, explain how to find its domain.X.Section 2.4The linear function?(?) = −0.2+ 8?1.7models the percentage of U.S. taxpayers whowere audited by the IRS, f(x), x years after 1996. Source:IRS)Find the slope of the model. Then describe what this means in terms of the rate of change of the dependent variable per unit change in the independent variable.?(?) = −0.01?2 ++ 60b. Does (10)(10?)function.(??