Consider the above 2018 IRS tax schedule for a married filing jointly taxpayer where to calculate federal tax F as piecewise defined function of taxable income t and for sake of simplicity stopping at t

Just*rewrite*F*t in terms*of*the*Heaviside*function*`𝒰`(t - n);

$0 Schedule Y-1-If your filing status is Married filing jointly or Qualifying widow(er) If your taxable The tax is: income is: of the But not amount Over- Over- over- $19,050 10% $0 19,050 77,400 $1,905.00 + 12% 19,050 77,400 165,000 8,907.00 + 22% 77,400 165,000 315,000 28,179.00 + 24% 165,000 315,000 400,000 64,179.00 + 32% 315,000 400,000 600,000 91,379.00 + 35% 400,000 600,000 161,379.00 + 37% 600,000 > Consider the above 2018 IRS tax schedule for a married filing jointly taxpayer where to calculate federal tax F as piecewise defined function of taxable income t and for sake of simplicity stopping at 1 S$165,000 otherwise it would 7 steps piecewise function 0.10.1 1, 905 +.12(t-19050) 8,907 +.22(1-77, 400) if S 19, 050 if 19, 050 Just rewrite F(t) in terms of the Heaviside function Ut-n) $0 Schedule Y-1-If your filing status is Married filing jointly or Qualifying widow(er) If your taxable The tax is: income is: of the But not amount Over- Over- over- $19,050 10% $0 19,050 77,400 $1,905.00 + 12% 19,050 77,400 165,000 8,907.00 + 22% 77,400 165,000 315,000 28,179.00 + 24% 165,000 315,000 400,000 64,179.00 + 32% 315,000 400,000 600,000 91,379.00 + 35% 400,000 600,000 161,379.00 + 37% 600,000 > Consider the above 2018 IRS tax schedule for a married filing jointly taxpayer where to calculate federal tax F as piecewise defined function of taxable income t and for sake of simplicity stopping at 1 S$165,000 otherwise it would 7 steps piecewise function 0.10.1 1, 905 +.12(t-19050) 8,907 +.22(1-77, 400) if S 19, 050 if 19, 050 Just rewrite F(t) in terms of the Heaviside function Ut-n)