Income Taxes The U.S. Federal income tax is a function of taxable income....

Income Taxes The U.S. Federal income tax is a function of taxable income. Write T for the tax owed on a taxable income of I dollars. For tax year 2007, the function T for a single taxpayer was specified as follows:

What was the tax owed by a single taxpayer on a taxable income of $26,000? On a taxable income of $65,000?