For each value of y that is greater than `4sqrt(3)` the function *f(x)* is such that the equation *f(x) = y* has the form x = `(y^2 + 11) / (y-3)`.

Select one value for *a* and one value for *b* such that the given information implies *f(a) = b*. Make only two selections, one in each column.