Solve the Exponential Equation $$e ^ { x + 3 } = 6$$

Multiple Choice

Solve the exponential equation. Express the solution set in terms of natural logarithms.
- $$e ^ { x + 3 } = 6$$

A) $\{ \ln 9 \}$
B) $\{ \ln 6 - 3 \}$
C) $\left\{ e ^ { 18 } \right\}$
D) $\left\{ e ^ { 6 } + 3 \right\}$