+ Isgn(-2.4)| + sgn(-0.2) = 2 T F

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.7: Operations On Functions
Problem 58E
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ln.
Test the correctness of the statement
* 2.1
Isgn(-2.4)|+ sgn(-0.2) = 2
T O
FO
*2.2
1+3x2+2xy
+ If x?
x-y
then , y'
x+y
%3D
x2+1
T O
FO
* 2.3
2(x-1)
+ If y = Vx? – 2x then y
3 Vx2-2x
<>
Transcribed Image Text:ln. Test the correctness of the statement * 2.1 Isgn(-2.4)|+ sgn(-0.2) = 2 T O FO *2.2 1+3x2+2xy + If x? x-y then , y' x+y %3D x2+1 T O FO * 2.3 2(x-1) + If y = Vx? – 2x then y 3 Vx2-2x <>
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