Consider the functions f(x) = 3x – 12 and g(x) = +4 (a) Find f(g(x)). (b) Find g(f(x)). (c) Determine whether the functions f and g are inverses of each other.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question
Consider the functions f(x) = 3x- 12 and g(x) =+4.
(a) Find f(g(x)).
(b) Find g(f(x)).
(c) Determine whether the functions f and g are inverses of each other.
(a) What is f(g(x))?
f(g(x)) =O (Simplify your answer.)
Give any values of x that need to be excluded from f(g(x)). Select the correct choice below and fill in any answer boxes within your choice.
O A. x#
(Use a comma to separate answers as needed.)
O B. No values should be excluded from the domain.
(b) What is g(f(x))?
g(f(x)) =|
(Simplify your answer.)
Give any values of x that need to be excluded from g(f(x)). Select the correct choice below and fill in any answer boxes within your choice.
O A. x#
(Use a comma to separate answers as needed.)
O B. No values should be excluded from the domain.
(c) Are the functions f and g inverses of each other? Choose the correct answer below.
Yes
No
Transcribed Image Text:Consider the functions f(x) = 3x- 12 and g(x) =+4. (a) Find f(g(x)). (b) Find g(f(x)). (c) Determine whether the functions f and g are inverses of each other. (a) What is f(g(x))? f(g(x)) =O (Simplify your answer.) Give any values of x that need to be excluded from f(g(x)). Select the correct choice below and fill in any answer boxes within your choice. O A. x# (Use a comma to separate answers as needed.) O B. No values should be excluded from the domain. (b) What is g(f(x))? g(f(x)) =| (Simplify your answer.) Give any values of x that need to be excluded from g(f(x)). Select the correct choice below and fill in any answer boxes within your choice. O A. x# (Use a comma to separate answers as needed.) O B. No values should be excluded from the domain. (c) Are the functions f and g inverses of each other? Choose the correct answer below. Yes No
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