Q2: The Table below shows the 1991 federal tax rates for persons who submit as "married filing jointly". Taxable income Over But not Over Tax Rate $0 $34,000 15% 34,000 82,150 28% 82,150 31% Determine the function T=f(x), where T equals the tax liability (in dollars) for persons who are married, filing jointly and x equals taxable income (in dollars)