Solve the Equation Using an Integrating Factor $y ^ { \prime } - 3 y = 6$

Multiple Choice

Solve the equation using an integrating factor.
- $y ^ { \prime } - 3 y = 6$ , t > 0

A) y = C $e ^ { 3 t }$ + C
B) y = C $e ^ { 3 t }$
C) y = C $e ^ { 3 t }$ - 2
D) y = C $e ^ { - 3 t }$