Expression 21: 5tangent left parenthesis, StartFraction, 1 Over 10 , EndFraction left parenthesis, "y" plus 15 , right parenthesis , right parenthesis minus 25.5 equals "x" left brace, negative 26.9 5 less than or equal to "x" less than or equal to negative 10.9 7 , right brace left brace, 13.6 less than or equal to "y" less than or equal to 28.8 2 , right brace5tan110y+15−25.5=x−26.95≤x≤−10.9713.6≤y≤28.82
21
tangent function tan(x)=y
22
Expression 23: negative 5tangent left parenthesis, StartFraction, 1 Over 10 , EndFraction left parenthesis, "x" minus 12 , right parenthesis , right parenthesis plus 27.5 equals "y" left brace, 28.6 greater than or equal to "y" greater than or equal to 18.7 7 , right brace left brace, 10.0 1 less than or equal to "x" less than or equal to 25 , right brace−5tan110x−12+27.5=y28.6≥y≥18.7710.01≤x≤25
23
tangent function tan(x)=y
24
Expression 25: .9 1 Superscript, left parenthesis, "y" minus 6 , right parenthesis , Baseline minus 29.4 equals "x" left brace, negative 28.2 9 less than or equal to "x" less than or equal to negative 18.9 8 , right brace.91y−6−29.4=x−28.29≤x≤−18.98
25
Expression 26: log Subscript, .9 1 , Baseline left parenthesis, "x" plus 29.4 , right parenthesis equals "y" minus 6 left brace, negative 28.2 9 less than or equal to "x" less than or equal to negative 18.9 8 , right bracelog.91x+29.4=y−6−28.29≤x≤−18.98
26
log function log(x)=y
27
Expression 28: log Subscript, .9 1 , Baseline left parenthesis, "y" minus 6 , right parenthesis equals "x" plus 29.4log.91y−6=x+29.4
28
Expression 29: left parenthesis, "x" minus 30 , right parenthesis squared plus left parenthesis, "y" minus 5 , right parenthesis squared equals 250x−302+y−52=250
29
Expression 30: StartFraction, 1 Over 230 , EndFraction left parenthesis, "x" minus 10 , right parenthesis cubed minus 22 equals "y"1230x−103−22=y