## College Algebra (6th Edition)

Applying the Product Rule: $\log_{\mathrm{b}}(\mathrm{M}\mathrm{N})=\log_{\mathrm{b}}\mathrm{M}+\log_{\mathrm{b}}\mathrm{N}$, LHS= $\log_{6}[4\cdot(x+1)]=\log_{6}4+\log_{6}(x+1),$ which equals the RHS of the problem statement. So, the problem statement is true.