Find Where Undefined/Discontinuous f(x)=(x^2-4x+4)/(x-2)

$f (x) = \frac{x^{2} - 4 x + 4}{x - 2}$

Step 1

Set the denominator in $\frac{x^{2} - 4 x + 4}{x - 2}$ equal to $0$ to find where the expression is undefined.