Question

E urgent!!!!!!!!!!!!!!!! ​

Answer 1

5*|x|-4 </ 11

5*|x| </ 11+4

5*|x| </ 15

|x| </ 15:5

|x|</ 3

-3</ x </ 3

deci A={-3,-2,-1,0,1,2,3}

a) card A=7

b) -3-2-1+0+1+2+3 = 0