Expression 3: "m" left parenthesis, "x" , right parenthesis equals StartFraction, 1 Over "x" squared , EndFractionmx=1x2
3
Expression 4: "p" left parenthesis, "k" , "x" , right parenthesis equals Start sum from "n" equals 1 to "k" , end sum, "m" left parenthesis, "x" minus "n" , right parenthesispk,x=k∑n=1mx−n
4
Expression 5: "q" left parenthesis, "x" , right parenthesis equals "f" left parenthesis, "x" minus floor left parenthesis, "x" , right parenthesis plus "a" , right parenthesis plus "p" left parenthesis, floor left parenthesis, "x" , right parenthesis minus "a" , "x" , right parenthesis left brace, "x" greater than "a" , right braceqx=fx−floorx+a+pfloorx−a,xx>a