Expression 8: "y" minus "f" left parenthesis, "a" plus "h" , right parenthesis equals "m" left parenthesis, "x" minus left parenthesis, "a" plus "h" , right parenthesis , right parenthesis left brace, negative "k" plus "a" less than "x" less than "a" plus "h" plus "k" , right bracey−fa+h=mx−a+h−k+a<x<a+h+k
8
Expression 9: "y" minus "f" left parenthesis, "a" plus "h" , right parenthesis equals "m" left parenthesis, "x" minus left parenthesis, "a" plus "h" , right parenthesis , right parenthesis left brace, "a" plus "h" minus "k" less than "x" less than "a" plus "k" , right bracey−fa+h=mx−a+ha+h−k<x<a+k
9
Expression 10:
10
Expression 11: "k" equals 0.2k=0.2
negative 10−10
1010
11
Expression 12: "x" equals "a" left brace, "f" left parenthesis, "a" plus "h" , right parenthesis less than "y" less than or equal to "f" left parenthesis, "a" , right parenthesis , right bracex=afa+h<y≤fa
12
Expression 13: "y" equals "f" left parenthesis, "a" plus "h" , right parenthesis left brace, "a" less than "x" less than "a" plus "h" , right bracey=fa+ha<x<a+h
13
Expression 14: "y" equals "f" left parenthesis, "a" plus "h" , right parenthesis left brace, "a" plus "h" less than "x" less than "a" , right bracey=fa+ha+h<x<a
14
Expression 15: "x" equals "a" left brace, "f" left parenthesis, "a" , right parenthesis less than "y" less than or equal to "f" left parenthesis, "a" plus "h" , right parenthesis , right bracex=afa<y≤fa+h