Question

Urgentt va rogmult ajutatimi

Answer 1

Ix+5I daca x>1
daca x>1  atunci x+5>0
prin urmare  Ix+5I =x+5


Ix-3I daca x<2
daca x<2  atunci x-3<0
prin urmare  Ix-3I =-(x-3)=-x+3=3-x


I7-xI daca x<-1
daca x<-1  atunci 7-x>0
prin urmare  I7-xI =7-x


I8-xI daca x>8
daca x>8  atunci 8-x<0
prin urmare  I8-xI =-(8-x)=x+8