Question 198357
{{{f(x)=-3+sqrt(-9)+6x}}}
{{{f^-1(x)}}}=?
{{{y=-3+sqrt(-9)+6x}}}
Invert
{{{x=-3+sqrt(-9)+6y}}}
Solve for y
{{{6y=3-sqrt(-9)-x}}}
{{{y=(3-sqrt(-9)-x)/6}}}
So
If {{{f(x)=-3+sqrt(-9)+6x}}}
Then {{{f^-1(x)=(3-sqrt(-9)-x)/6}}}