The U.S. 2010 federal income tax for a single person with taxable income x dollars is f(x) dollars, where T is the function defi
ned by federal law as follows. A. What is the the 2010 federal income tax for a single person whose taxable income that year was 4000 dollars? Tax = ________ dollars B. What is the 2010 federal income tax for a single person whose taxable income that year was 170000 dollars? Tax = ________ dollars C. What is the taxable income for a single person whose 2010 federal income tax was 105000 dollars? Taxable income = _______ dollars
