Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 2 - Section 2.1 - Functions - 2.1 Exercises - Page 158: 85


A.: 0 960 5350 B: The solutions show how much income tax is owed for each given income bracket.

Work Step by Step

A: The given inequalities tell you which functions to use for each given value. T(5000)=0 T(12000)=0.08(12000)=960 T(25000)=1600+0.15(25000)=5350 B. Examining the context given in the problem, you can read that the function determines how much income tax is owed according to given intervals of income.
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