A. f(x) = sin´x B. f(x) = cosx + 1C. f(x) = (x + x²)cosxD. f(x) = x + x² %3D %3D 9. The domain of the real- valued function f(x) = In(3x + 8) is: A. R B.R-{}C. {x : x >,x €R} 8- D. {x : x x<, 3 10.The range of g(x) = cosx-1, x ER is A. 0
A. f(x) = sin´x B. f(x) = cosx + 1C. f(x) = (x + x²)cosxD. f(x) = x + x² %3D %3D 9. The domain of the real- valued function f(x) = In(3x + 8) is: A. R B.R-{}C. {x : x >,x €R} 8- D. {x : x x<, 3 10.The range of g(x) = cosx-1, x ER is A. 0
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
Solve Q 9, 10 explaining detailly each step
Transcribed Image Text:A. f(x) = sin´x B. f(x) = cosx + 1C. f(x) = (x + x²)cosxD. f(x) = x + x²
%3D
%3D
9. The domain of the real- valued function f(x) = In(3x + 8) is:
A. R B.R-{}C. {x : x
>,x €R}
8-
D. {x : x x<,
3
10.The range of g(x) = cosx-1, x ER is
A. 0<x<2
B. -1 <x<1 C. -2<x<2
D: -2 <x<0
85
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