Write the expression as a single logarithm. Which of the following options correctly expresses the given expression?

A) 3log(5x+1)+(1)/(2)log(x+6)
B) 3log(5x+1)+(1)/(2)log(x+6)
C) 3log(5x+1)+(1)/(2)log(x+6)
D) 3log(5x+1)+(1)/(2)log(x+6)