(i) Prove by mathemarical induction on n that 3" > 2n² + 1 for all n € N (ii) Given the function g : R → R defined by if z# -2 g(x) = { ** if 1 = -2 Find whether or not f is injective and surjective. Find the inverse of f, if it exists.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 54RE
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(i) Prove by mathemarical induction on n that
3" > 2n² + 1 for all n € N
(ii) Given the function g : R → R defined by
if r+-2
if r = -2
g (x) =
Find whether or not f is injective and surjective. Find the inverse of f, if it exists.
ull
06:16 PM
2021-04-20
Page: 1 of 1
Words: 0
E 1 E 3 1 90% e
Transcribed Image Text:Document1 - Microsoft Word (Product Activation Failed) File Home Insert Page Layout References Mailings Review View W (i) Prove by mathemarical induction on n that 3" > 2n² + 1 for all n € N (ii) Given the function g : R → R defined by if r+-2 if r = -2 g (x) = Find whether or not f is injective and surjective. Find the inverse of f, if it exists. ull 06:16 PM 2021-04-20 Page: 1 of 1 Words: 0 E 1 E 3 1 90% e
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