Question: The function T(x) = 0.12(x - 9525) + 952.50 represents the tax bill T of a single person whose adjusted gross income is x dollars

The function T(x) = 0.12(x - 9525) + 952.50 represents the tax bill T of a single person whose adjusted gross income is x dollars for income over $9525 but not over $38,700, in 2018.

(a) What is the domain of this linear function? 

(b) What is a single filer’s tax bill if adjusted gross income is $20,000? 

(c) Which variable is independent and which is dependent? 

(d) Graph the linear function over the domain specified in part (a). 

(e) What is a single filer’s adjusted gross income if the tax bill is $3109.50?

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