Expression 7: "y" equals negative "r" left brace, 0 less than "x" less than "h" , right bracey=−r0<x<h
7
Expression 8: left parenthesis, "x" minus "h" , right parenthesis squared plus "y" squared equals "r" squared left brace, "y" greater than "f" left parenthesis, "x" , right parenthesis , right brace left brace, "h" less than pi "r" , right bracex−h2+y2=r2y>fxh<πr
8
Expression 9: left parenthesis, "x" minus "h" , right parenthesis squared plus "y" squared equals "r" squared left brace, "y" less than "f" left parenthesis, "x" , right parenthesis , right brace left brace, "h" greater than pi "r" , right brace left brace, "h" less than "x" less than 2 pi "r" , right bracex−h2+y2=r2y<fxh>πrh<x<2πr
9
Expression 10: left parenthesis, "x" minus "h" , right parenthesis squared plus "y" squared equals "r" squared left brace, "h" less than "x" less than pi "r" , right bracex−h2+y2=r2h<x<πr
10
Expression 11: "x" equals left bracket, 0 , 2 "r" , 4 "r" , 6 "r" , right bracket left brace, negative "r" less than "y" less than "r" , right bracex=0,2r,4r,6r−r<y<r
11
Expression 12: left parenthesis, "x" minus left bracket, "r" , 3 "r" , 5 "r" , right bracket , right parenthesis squared plus "y" squared equals "r" squaredx−r,3r,5r2+y2=r2
12
Expression 13: "f" left parenthesis, "x" , right parenthesis equals left parenthesis, "x" minus "h" , right parenthesis tangent left parenthesis, "a" minus StartFraction, pi Over 2 , EndFraction , right parenthesisfx=x−htana−π2