State income tax. Table 1 shows a recent state income tax schedule for individuals filing...

State income tax. Table 1 shows a recent state income tax schedule for individuals filing a return in Kansas.

Table 1 Kansas State Income Tax

(A) Write a piecewise definition for the tax due T(x) on an income of x dollars.

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(B) Graph T(x).

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(C) Find the tax due on a taxable income of $20,000. Of $35,000.

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(D) Would it be better for a married couple in Kansas with two equal incomes to file jointly or separately? Discuss.