Expression 3: negative 0.1 "x" cubed minus 0.5 "x" squared plus 1 left brace, negative 3.3 less than or equal to "x" less than 0 , right brace−0.1x3−0.5x2+1−3.3≤x<0
3
Expression 4: 0.0 3 3 times "x" minus 0.7 4 2 4 left brace, "x" less than negative 3.3 , right brace0.033·x−0.7424x<−3.3
4
Expression 5: negative 0.1 6 "x" plus 0.1 0 4 left brace, "x" greater than 1.6 , right brace−0.16x+0.104x>1.6