pllowing defines a. f(x)=x+3 -; domain= {1,2, -3, -6} b.f(x)=√x-3; domain = {3,4,0} X c. f(x) = ; domain= {1,2,3} 1-3√x d. f(x)=√√x-5; domain= {5,6,7} a b d given

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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Question
Which of the following defines a function on a given domain?
a. f(x)=
X
X+3
; domain= {1,2, -3, -6}
b.f(x)=√√√x-3; domain= {3,4,0}
X
c. f(x)=
; domain= {1,2,3}
1-√√x
d.
f(x)=√x-5; domain = {5,6,7}
O a
Ob
C
Transcribed Image Text:Which of the following defines a function on a given domain? a. f(x)= X X+3 ; domain= {1,2, -3, -6} b.f(x)=√√√x-3; domain= {3,4,0} X c. f(x)= ; domain= {1,2,3} 1-√√x d. f(x)=√x-5; domain = {5,6,7} O a Ob C
Which of the following is a binary operation if a and b are in S?
a. a*b = ab + b², S = set of negative numbers
b. a*b = √a+b; S = set of positive integers
c. a*b = ab-a; S = set of real numbers except zero
d. a*b=a²-b²; S = set of real numbers except zero
a
Ob
d
Transcribed Image Text:Which of the following is a binary operation if a and b are in S? a. a*b = ab + b², S = set of negative numbers b. a*b = √a+b; S = set of positive integers c. a*b = ab-a; S = set of real numbers except zero d. a*b=a²-b²; S = set of real numbers except zero a Ob d
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