運算式 4: "y" equals negative 2 "x" squared minus 2 "x" minus 8 left brace, "x" greater than or equal to 0 , right bracey=−2x2−2x−8x≥0
4
運算式 5: "y" equals negative 2 "x" squared minus 2 "x" minus 8 left brace, "x" less than 0 , right bracey=−2x2−2x−8x<0
5
運算式 6: left parenthesis, "t" squared minus 4 , negative 2 "t" to the 4th power minus 2 "t" cubed minus 8 "t" squared , right parenthesist2−4,−2t4−2t3−8t2
定義域 t 最小值： negative 50−50
less than or equal to "t" less than or equal to≤t≤
定義域 t 最大值： 5050
6
運算式 7: "y" equals "x" squared plus "x" Superscript, 1.5 , Baseline plus 4 "x"y=x2+x1.5+4x
7
運算式 8: "y" equals "x" squared minus "x" Superscript, 1.5 , Baseline plus 4 "x"y=x2−x1.5+4x
