Expression 2: 0.0 6 5 "x" plus 0.7 0 4 left brace, "x" greater than or equal to 1.6 , right brace0.065x+0.704x≥1.6
2
Expression 3: 0.1 8 5 "x" minus 0.2 0 8 left brace, "x" less than or equal to negative 0.8 , right brace0.185x−0.208x≤−0.8
3
Expression 4: left parenthesis, negative 0.1 2 5 "x" cubed plus 0.1 2 5 "x" squared plus 0.6 2 5 "x" , right parenthesis left brace, 1.6 greater than or equal to "x" greater than or equal to negative 0.8 , right brace−0.125x3+0.125x2+0.625x1.6≥x≥−0.8