Expression 2: "P" left parenthesis, "t" , right parenthesis equals 1000 times left parenthesis, 1 plus StartFraction, 0.0 5 Over 12 , EndFraction , right parenthesis Superscript, left parenthesis, 12 times "t" , right parenthesis , Baseline left brace, "t" greater than 0 , right bracePt=1000·1+0.051212·tt>0