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3x-1 1. Let z(x) = √x+(4+K) . Answer the following: (K+7)x 2 a. State whether z(x), m(x) and n(x) are polynomials or not. Justify your answer. m(x) = x(K + 5) and n(x) = = b. Find the domain of the functions z(x), m(x) and n(x) c. Find (zo m)(x) in the simplest form. d. Find (m n-¹)(x). e. Show if m(x) is one to one function.

3x-1 1. Let z(x) = √x+(4+K) . Answer the following: (K+7)x 2 a. State whether z(x), m(x) and n(x) are polynomials or not. Justify your answer. m(x) = x(K + 5) and n(x) = = b. Find the domain of the functions z(x), m(x) and n(x) c. Find (zo m)(x) in the simplest form. d. Find (m n-¹)(x). e. Show if m(x) is one to one function.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Note :  K=2

 

3x-1 1. Let z(x) = √√x+(4+K) . Answer the following: (K+7)x 2 a. State whether z(x), m(x) and n(x) are polynomials or not. Justify your answer. m(x) = x(K + 5) and n(x) = = b. Find the domain of the functions z(x), m(x) and n(x) c. Find (zo m)(x) in the simplest form. d. Find (m * n ¹)(x). e. Show if m(x) is one to one function.
Transcribed Image Text:3x-1 1. Let z(x) = √√x+(4+K) . Answer the following: (K+7)x 2 a. State whether z(x), m(x) and n(x) are polynomials or not. Justify your answer. m(x) = x(K + 5) and n(x) = = b. Find the domain of the functions z(x), m(x) and n(x) c. Find (zo m)(x) in the simplest form. d. Find (m * n ¹)(x). e. Show if m(x) is one to one function.
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