The function T(x) = 0. 15(x - 3000) + 300 represents the tax bill T of a single person whose adjusted gross income is dollars for income between $3000 and $46,500, 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 $17,000?

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 $3210?