Find the solution to an=an−1+3a_n = a_{n-1} + 3an=an−1+3 with a0=24a_0 = 24a0=24.
3+24n3 + 24n3+24n
24cdot3n24 \\cdot 3^n24cdot3n
3cdot24n3 \\cdot 24^n3cdot24n
24+3n24 + 3n24+3n