Question

Explicati modulul :
a) | x+5 |, daca x>1
b) | x-3 |, daca x<2
c) | 7-x |, daca x<-1
d) | 8-x |, daca x>8

Answer 1

a)|x+5|, daca x>1

x+5>0

|x+5|=x+5

b)|x-3|, daca x<2

x-3<0

|x-3|=-(x-3)=3-x

c)daca x este -2

|7-(-2)|=|9|,deci |7-x|=7+x

d)daca x este 9

|8-9|=1 deci |8-x|=numar pozitiv iar in modul numar negativa

sper ca team ajuta

coronita?