RELAZIONI E FUNZIONI 122 |x 3| > 7 |2x 1| 5 125 |x 4| 0 |x 4| 1 126 |x 4| 3x 1 [{x R x 10}, {x R 1 2}] _1_ [{x R x 5}] _2_ _3_ | | | | | | 1 x __ > 5 2 1 2x + __ 2}] _9_ 11 ___ [{x R x 2 }] [{ }] 13 ___ 5 __ [{x R 18 x 6}] [{x R}] _1_ _1_ [{x R x 2 o x 2}] | | | | _3_ [{x R x 7 o x 19}] 14 ___ [{x R x 9 }] 137 |0,2x 1,7| + 2,3 > x 138 |3,4x 2,8| 0,4 + x > _2_ [{x R x 44}] 139 2 3,2x + |0,6x 11| 0 [{x R x 19}] [{x R x 10 ]