Expression 5: "v" Subscript, 0 , Baseline equals StartFraction, 2 "h" "v" Subscript, "x" , Baseline Over "x" Subscript, "h" , Baseline , EndFraction equals 4v0=2hvxxh
equals=
44
5
Expression 6: "g" equals negative StartFraction, 2 "h" left parenthesis, "v" Subscript, "x" , Baseline , right parenthesis squared Over left parenthesis, "x" Subscript, "h" , Baseline , right parenthesis squared , EndFraction equals negative 2g=−2hvx2xh2
equals=
negative 2−2
6
Expression 7: "x" equals "x" Subscript, "h" , Baseline equals 5 Has graph. To audio trace, press ALT+T.x=xh
equals=
55
7
Expression 8: "x" equals "t" Subscript, "h" , Baseline equals 2 Has graph. To audio trace, press ALT+T.x=th
equals=
22
8
Expression 9: "f" left parenthesis, "x" , right parenthesis equals 1 half "g" "x" squared plus left parenthesis, "v" Subscript, 0 , Baseline , right parenthesis times "x" plus 0 left brace, 0 less than or equal to "x" less than or equal to 2 "t" Subscript, "h" , Baseline , right brace Has graph. To audio trace, press ALT+T.fx=12gx2+v0·x+00≤x≤2th