Precalculus: Mathematics for Calculus, 7th Edition

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

Chapter 2 - Review - Exercises - Page 234: 89

Answer

It is a one-to-one function

Work Step by Step

$f(x) = 3 + x^3$ One to one if f(p) = f(q) $f(p) = 3 + p^3$ $f(q) = 3 + q^3$ $ 3 + p^3 = 3 + q^3$ $p^3 = q^3$ $p = q$ Thus it is a one-to-one function
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