Expression 4: 8.9 3 times 10 to the negative 5th power "x" to the 4th power plus 2.1 4 times 10 to the negative 5th power "x" cubed minus 7.7 6 times 10 to the negative 2nd power "x" squared plus 0.5 9 "x" minus 2.5 48.93·10−5x4+2.14·10−5x3−7.76·10−2x2+0.59x−2.54
4
Expression 5: 8.9 3 times 10 to the negative 5th power "x" to the 4th power plus 2.1 4 times 10 to the negative 5th power "x" cubed minus 7.7 6 times 10 to the negative 2nd power "x" squared plus 0.5 9 "x" minus 1.5 4 less than "y" less than negative 8.9 3 times 10 to the negative 5th power "x" to the 4th power minus 2.1 4 times 10 to the negative 5th power "x" cubed plus 7.7 6 times 10 to the negative 2nd power "x" squared minus 0.5 9 "x" plus 1.5 4 left brace, 0 less than "x" less than 23 , right brace8.93·10−5x4+2.14·10−5x3−7.76·10−2x2+0.59x−1.54<y<−8.93·10−5x4−2.14·10−5x3+7.76·10−2x2−0.59x+1.540<x<23
5
Expression 6: 8.9 3 times 10 to the negative 5th power "x" to the 4th power plus 2.1 4 times 10 to the negative 5th power "x" cubed minus 7.7 6 times 10 to the negative 2nd power "x" squared plus 0.5 9 "x" minus 1.5 48.93·10−5x4+2.14·10−5x3−7.76·10−2x2+0.59x−1.54
6
Expression 7: negative 8.9 3 times 10 to the negative 5th power "x" to the 4th power minus 2.1 4 times 10 to the negative 5th power "x" cubed plus 7.7 6 times 10 to the negative 2nd power "x" squared minus 0.5 9 "x" plus 1.5 4−8.93·10−5x4−2.14·10−5x3+7.76·10−2x2−0.59x+1.54
