[填空题]
A government has a piecewise funct+sxz ulxabf ux- 31-8mion*8b+;: r p-8viq yu n;gnxf na+dd6uuk, T, to calculate the amount of taxes a citizen has to pay quarterly, according to their quarterly*gxyqb-:;d rndukn v i6f+ anu;8+8up income, x, given by
1.Find the quarterly taxes a citizen has to pay for incomes of
(1)9000 dollars
(2)16000 dollars
The government is considering increasing the tax rates and is contemplating the following two options:
Option 1: Increase taxes by 100 dollars on all levels, and then by a factor of 1.15
Option 2: Increase taxes using the model T(1.4x+1000)
2.Determine functions to model the taxes for each of these options.