(a) Suppose f: (a, b)→ R is continuous. Show that if f(a) and f(b) are finite(i.e.

Algebra & Trigonometry with Analytic Geometry
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Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.3: The Natural Exponential Function
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Question 1
(a) Suppose f: (a, b)→ R is continuous. Show that if f(a) and f(b) are finite(i.e.
<∞), then f is bounded on (a, b). Argue whether the converse is true.
(b) Assume the following statement:
If a function f: (a, b)→ R is uniformly continuous, then both f(a+) and f(b)
are finite.
(This is true. Take as granted. Proof omitted.)
Can we change the term uniformly continuous to continuous in the assumption?
Justify - prove if yes, give a counterexample if no.
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Transcribed Image Text:Question 1 (a) Suppose f: (a, b)→ R is continuous. Show that if f(a) and f(b) are finite(i.e. <∞), then f is bounded on (a, b). Argue whether the converse is true. (b) Assume the following statement: If a function f: (a, b)→ R is uniformly continuous, then both f(a+) and f(b) are finite. (This is true. Take as granted. Proof omitted.) Can we change the term uniformly continuous to continuous in the assumption? Justify - prove if yes, give a counterexample if no. ||||||||||| |||||||||||||
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