Finding x in Exponential Function f(x) = 3^(2x - 1)

Very Hard Passport To Advanced Math Exponential Functions

Consider the exponential function given by the equation $$f(x) = 3^{2x - 1}$$. Determine the value of $$x$$ at which the function $$f(x)$$ equals $$27$$. What is the correct solution for $$x$$?

$$2$$