d. Find (g of)@). e. Find h(g(3)). f. Find h (g(f(b)).

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter11: Rational And Irrational Numbers
Section: Chapter Questions
Problem 23CLR
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PLEASE ANSWER D, E and F

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d. Find (g • f)(@).
e. Find h(g(3).
f. Find h (g(f(b))).
Transcribed Image Text:d. Find (g • f)(@). e. Find h(g(3). f. Find h (g(f(b))).
8. Let the functions f: A → B,g:B → C,h: C → D be defined by the figure below.
A
B
C
h
D
3
9.
a. Which function is one-to-one (injective)? Explain.
b. Which function is one (surjective)? Explain.
c. Do any of the functions f,g or h have an inverse? Explain.
2.
Transcribed Image Text:8. Let the functions f: A → B,g:B → C,h: C → D be defined by the figure below. A B C h D 3 9. a. Which function is one-to-one (injective)? Explain. b. Which function is one (surjective)? Explain. c. Do any of the functions f,g or h have an inverse? Explain. 2.
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