Expression 7: "y" equals 25 left brace, negative 15 less than or equal to "x" less than or equal to 15 , right brace plus 30y=25−15≤x≤15+30
7
Expression 8: "y" equals negative .0 0 3 1 left parenthesis, "x" plus 8 , right parenthesis squared plus 55 left brace, negative 15 less than "x" less than 15 , right bracey=−.0031x+82+55−15<x<15
8
Expression 9: sine left parenthesis, "x" , right parenthesis plus 56 left brace, negative 15 less than or equal to "x" less than or equal to 15 , right bracesinx+56−15≤x≤15
9
Expression 10:
10
Expression 11: "x" equals .0 3 left parenthesis, "y" plus 5 , right parenthesis squared plus 1.6 left brace, negative 13.3 less than "y" less than negative 6.3 , right bracex=.03y+52+1.6−13.3<y<−6.3
11
Expression 12: .1 "y" squared minus 3 equals 3 "x" minus 9.1y2−3=3x−9
12
Expression 13: "x" equals .0 3 left parenthesis, "y" plus 5 , right parenthesis squaredx=.03y+52
13
Expression 14: "x" equals negative 0.0 0 3 left parenthesis, "y" plus 10 , right parenthesis squared minus 5 left brace, negative 25 less than "y" less than negative 3 , right bracex=−0.003y+102−5−25<y<−3