Expression 6: "f" Subscript, "s" "w" "i" "n" "g" , Baseline left parenthesis, "t" , right parenthesis equals "a" Subscript, "m" "p" "l" "i" "t" "u" "d" "e" 2 , Baseline sine left parenthesis, StartFraction, 2 pi Over "p" Subscript, "e" "r" "i" "o" "d" 2 , Baseline , EndFraction "t" , right parenthesis plus "b" Subscript, "a" "s" "e" "l" "i" "n" "e" 2 , Baseline left brace, "t" greater than or equal to 0 , right brace Has graph. To audio trace, press ALT+T.fswingt=amplitude2sin2πperiod2t+baseline2t≥0
Expression 9: "b" Subscript, "a" "s" "e" "l" "i" "n" "e" 2 , Baseline equals 8.6 8 3baseline2=8.683
"b" Subscript, "a" "s" "e" "l" "i" "n" "e" 1 , Baselinebaseline1
99
9
Expression 10: "y" equals "b" Subscript, "a" "s" "e" "l" "i" "n" "e" 1 , Baseline left brace, "x" greater than or equal to 0 , right brace Has graph. To audio trace, press ALT+T.y=baseline1x≥0
10
Expression 11: "y" equals "b" Subscript, "a" "s" "e" "l" "i" "n" "e" 2 , Baseline left brace, "x" greater than or equal to 0 , right brace Has graph. To audio trace, press ALT+T.y=baseline2x≥0