Expression 5: "F" left parenthesis, "x" , right parenthesis equals 1 quarter "x" squared plus 2 "x" Has graph. To audio trace, press ALT+T.Fx=14x2+2x
5
Expression 6: "b" equals round left parenthesis, "F" left parenthesis, "a" , right parenthesis , 2 , right parenthesis equals 5b=roundFa,2
equals=
55
6
F=${b} "Y" equals left parenthesis, "a" , "F" left parenthesis, "a" , right parenthesis , right parenthesis equals left parenthesis, 2 , 5 , right parenthesis Has graph. To audio trace, press ALT+T.Y=a,Fa
Label:
equals=
left parenthesis, 2 , 5 , right parenthesis2,5
7
Expression 8: "a" Subscript, "s" , Baseline equals left bracket, negative 4 , 0 , 2 , negative 6 , right bracket equals a list of numbers. 4 itemsas=−4,0,2,−6
4 element list
8
Hidden Label: left parenthesis, "a" Subscript, "s" , Baseline , "f" left parenthesis, "a" Subscript, "s" , Baseline , right parenthesis , right parenthesis equals a list of points. 4 items Has graph. To audio trace, press ALT+T.as,fas
Label
equals=
left parenthesis, negative 4 , 0 , right parenthesis−4,0
left parenthesis, 0 , 2 , right parenthesis0,2
left parenthesis, 2 , 3 , right parenthesis2,3
left parenthesis, negative 6 , negative 1 , right parenthesis−6,−1