Answer
Determine whether each of these functions is a bijection
from R to R.
a) f (x) = $−3x$ + 4
b) f (x) = $−3x^2$ + 7
c) f (x) = (x + 1)/(x + 2)
d) f (x) = $x5$ + 1
Work Step by Step
a) Bijection
b) Not bijection
c) not bijection
d) bijection
Discrete Mathematics and Its Applications, Seventh Edition
by Rosen, Kenneth
Published by
McGraw-Hill Education
ISBN 10:
0073383090
ISBN 13:
978-0-07338-309-5
Chapter 2 - Section 2.3 - Functions - Exercises - Page 153: 22
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