Question
1. Determine whether or not the following functions from R to R are bijections. If they are bijections, then nd the inverse. If they are
1. Determine whether or not the following functions from R to R are bijections. If they are bijections, then nd the inverse. If they are not bijections, then explain why not. (a) f(x) = 2x
(b) f(x) = 7x
(c) f(x) = 7x3 5
(d) f(x) = 2x +|x|1
(e) f(x) = x2 5
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Information Modeling And Relational Databases
Authors: Terry Halpin, Tony Morgan
2nd Edition
0123735688, 978-0123735683
