In each part below, give an example of a function which satisfies the given criteria. Justify that your example is correct. You should give the simplest example of which you can think. (i) A function f whose domain is (-1,1) such that lim x→0+ f(a) = 3 and lim x→0- f(x) = -2 (i) A function f whose domain is (-1,1) such that f(x) > 0 for all 2 ∈ (-1,1), and lim x→0 f(a) = 0 (in) A function f whose domain is R (real), such that f is not continuous at 0, but f∘f is continuous at 0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 36E
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4. In each part below, give an example of a function which satisfies the given criteria. Justify that your
example is correct. You should give the simplest example of which you can think.
(i) A function f whose domain is (-1,1) such that lim x→0+ f(a) = 3 and lim  x→0- f(x) = -2
(i) A function f whose domain is (-1,1) such that f(x) > 0 for all 2 ∈ (-1,1), and
lim x→0 f(a) = 0
(in) A function f whose domain is R (real), such that f is not continuous at 0, but f∘f is continuous at 0

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