x2 43 23. The range of values of x for which > 0 is (x+2) (x-3) A.x > -2 U x > 3 B.-2 3
x2 43 23. The range of values of x for which > 0 is (x+2) (x-3) A.x > -2 U x > 3 B.-2 3
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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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Question
Solve Q23 & 24 showing clearly all steps
Transcribed Image Text:17. If < 1, then
D. x < 2 or x > -2
A. -2 < x < 2
B. –x < 2 < x C. x < -2 or x > 2
2x
18. Given that < 1 the range of values of x is: - 22% L2 0232
|x-21
A. X <-2
C. x <x < 2/3 D. x <-2 OR x > 2/3
B. x < 2/5
X-
19. The range of values of x for which < 2 is:
x+2
B. -5 < x < -1
C. x > -5 D.x < -5 and x > 1
A. x <-5 OR x > - 1
20. if |2 + x| > |3 – 2x|then:
A. x> 1/3 B. x < 1/3 and x> 5
C. x< 1/3 OR x > 5 D. 1/3 < x < 5
21. if 2x + /x/ < 6 then:
A. x<2
B. x 2 -2
C. x > 2 D. 0 <x< 3
is
22. The range of values of x for which
3-xl
3+x
A. --3 <x <0 B. x-3 OR x > 0 C. x <-3 OR x 2 0 D. x = 0
x2 +3
23. The range of values of x for which
> 0 is
(x+2)(x-3)
A.x > --2 U x > 3
B.--2 < x < 3
C.x < 3
D.x> 3
24.The range of values of x or which x- 4| < 2 is
A. X S6
B.x S2 or xN6
C. 2<x < 6
D. x 2 2
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