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Let /: X→Y be a function, A, B C X and C, DCY. Show that: 3. If CSD then SF (D) 4. f¹(COD)=f-¹(C) nf-¹(D) f¹(C) 5.

Let /: X→Y be a function, A, B C X and C, DCY. Show that: 3. If CSD then SF (D) 4. f¹(COD)=f-¹(C) nf-¹(D) f¹(C) 5.

College Algebra
College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 2SE: If a functionfis increasing on (a,b) and decreasing on (b,c) , then what can be said about the local...
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Let/: X→→Y be a function, A, BC X and C, DCY. Show that: 4. f-¹(COD) = f-¹(C) nf-¹(D) 5. If CCD then f¹(C) ≤ ¹ (D)
Transcribed Image Text:Let/: X→→Y be a function, A, BC X and C, DCY. Show that: 4. f-¹(COD) = f-¹(C) nf-¹(D) 5. If CCD then f¹(C) ≤ ¹ (D)
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