Question

URGENTT!!!!HELP ME!!!!DAU COROANA DAR CAT MAI REPEDE REZOLVaT SI EXPLICAT!!!!!!!!!!!!!!!!!!!!!!!Se considera multimea A={x∈R||x-1|<5}
c)Calculati A∪ {-4,-2,-1,2,4,6,8}

Answer 1

|x-1|<5 rezulta -5<x-1<5 se aduna +1 rezulta -4<x<6 rezulta A={-3,-2,-1,0,1,2,3,4,5} rezulta AU{-4,-2,-1,2,4,6,8}={-4,-3,-2,-1,0,1,2,3,4,5,6,8}