The function T(x)=0.15(x-3000)+300 represents the tax bill T of a single person whose adjusted gross income is x dollars for income between $3000 and $44,600?, inclusive.
(a) What is the domain of this linear? function?
?(b) What is a single? filer's tax bill if the adjusted gross income is 12000?
?(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 3225?