Which of these is the correct result for ∫(ex+3)dx\int (e^x + 3) dx∫(ex+3)dx?
ex+3x+Ce^x + 3x + Cex+3x+C
ex+3+Ce^x + 3 + Cex+3+C
ex+Ce^x + Cex+C
1x+1ex+1+3x+C\frac{1}{x+1}e^{x+1} + 3x + Cx+11ex+1+3x+C