X = DF = 5

Expression 16: "D" Subscript, 2 , Baseline equals StartRoot, 0 , EndRoot

equals

Expression 17: "s" minus StartFraction, 15 "x" Over "s" , EndFraction equals StartRoot, "s" squared minus "x" squared , EndRoot

Expression 18: left parenthesis, 225 plus "s" squared , right parenthesis "x" squared minus 30 "s" squared "x" equals 0

Expression 19: "x" equals StartFraction, negative "b" plus StartRoot, "b" squared , EndRoot Over 2 "a" , EndFraction

equals

19.2

Expression 20: "E" Subscript, 1 , Baseline equals StartFraction, 30 "s" squared plus StartRoot, 900 "s" to the 4th power , EndRoot Over 450 plus 2 "s" squared , EndFraction

equals

19.2

Expression 21: "E" Subscript, 2 , Baseline equals StartRoot, "s" squared minus "E" squared , EndRoot

equals

5.6

Expression 22: "a" equals 225 plus "s" squared

equals

625

Expression 23: "b" equals negative 30 "s" squared

equals

negative 12000

Expression 24: "F" Subscript, 1 , Baseline equals "s"

equals

Expression 25: "F" Subscript, 2 , Baseline equals "s" minus 15

equals

Graphs

Expression 27: "y" less than 80

Expression 28: left parenthesis, "s" cos "t" , "s" sin "t" , right parenthesis

domain t Minimum:

less than or equal to "t" less than or equal to

domain t Maximum: 90

Expression 29: polygon left parenthesis, "A" , "B" , "F" , "B" , "C" , "D" , right parenthesis

Expression 30: left parenthesis, "t" StartRoot, 2 , EndRoot cos 45 , StartRoot, 2 , EndRoot sin 45 , right parenthesis

domain t Minimum:

less than or equal to "t" less than or equal to

domain t Maximum:

Expression 31: left parenthesis, StartRoot, 2 , EndRoot cos 45 , "t" StartRoot, 2 , EndRoot sin 45 , right parenthesis

domain t Minimum:

less than or equal to "t" less than or equal to

domain t Maximum:

Points