D: "D" equals left parenthesis, negative "u" , "f" left parenthesis, negative "u" , right parenthesis , right parenthesis Has graph. To audio trace, press ALT+T.D=−u,f−u
Label:
6
Expression 7: polygon left parenthesis, "A" , "B" , "C" , "D" , right parenthesis Has graph.polygonA,B,C,D
7
Expression 8: "F" equals 2 "u" times "f" left parenthesis, "u" , right parenthesis equals 20F=2u·fu
equals=
2020
8
Expression 9: "F" Subscript, "s" , Baseline equals round left parenthesis, "F" , 2 , right parenthesis equals 20Fs=roundF,2
equals=
2020
9
Expression 10: "G" left parenthesis, "x" , right parenthesis equals 1 third 2 "x" "f" left parenthesis, "x" , right parenthesis left brace, 0 less than or equal to "x" less than or equal to 3 , right brace Has graph. To audio trace, press ALT+T.Gx=132xfx0≤x≤3
10
F=${F_s} "E" equals left parenthesis, "u" , "G" left parenthesis, "u" , right parenthesis , right parenthesis Has graph. To audio trace, press ALT+T.E=u,Gu
Label:
11
Expression 12: "B" left parenthesis, 1 minus "t" , right parenthesis plus "E" "t" Has graph.B1−t+Et
00
domain t Minimum:
less than or equal to "t" less than or equal to≤t≤