表达式6: "n" left parenthesis, "x" , right parenthesis equals left parenthesis, log Subscript, 2 , Baseline left parenthesis, "x" , right parenthesis plus 3 , right parenthesis minus 2nx=log2x+3−2
6
表达式7: "T" left parenthesis, "x" , right parenthesis equals "a" log Subscript, 2 , Baseline left parenthesis, "b" left parenthesis, "x" plus "c" , right parenthesis , right parenthesis plus "d"Tx=alog2bx+c+d