$\text { Find an equation of the tangent line to the graph of } y = e ^ { 3 x } \text { at the point } ( 0,1 ) \text {. }$

Multiple Choice

$\text { Find an equation of the tangent line to the graph of } y = e ^ { 3 x } \text { at the point } ( 0,1 ) \text {. }$

A) $y = 3 x + 1$
B) $y = x + 1$
C) $y = 3 x - 1$
D) $y = \ln ( 3 ) x + 1$
E) $y = 4 x + 1$