Math Problem Statement

In a particular state and for a particular​ year, the income tax rates for a single person were as follows. A 3​% tax of the first ​$8200 ​earned, 3.5​% of the next ​$3200 ​earned, 4​% of the next ​$2150 ​earned, 5.9​% of the next ​$7200 ​earned, 6.45​% of the next ​$56 comma 400 ​earned, 6.65​% of the next ​$128 comma 800 ​earned, 6.85​% of the next ​$823 comma 100 ​earned, and 8.89​% of any amount earned over ​$1 comma 029 comma 050. Let​ f(x) represent the amount of tax owed on an income of x dollars. Answer parts​ (a) through​ (f) below and in parts​ (a) through​ (d) explain in a sentence what the answer means. f(12 comma 000​)equals    enter your response here This means a tax of ​$    enter your response here was due on an income of ​$    enter your response here. ​(Type integers or decimals rounded to the nearest hundredth as needed. Do not include the​ $ symbol in your​ answers.)

Solution

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Math Problem Analysis

Mathematical Concepts

Piecewise Functions
Tax Brackets
Percentages
Linear Segmentation of Functions

Formulas

Tax = Income × Rate for each bracket
Sum of taxes from all income brackets below total income

Theorems

Marginal Tax Rate System

Suitable Grade Level

Grades 10-12