Find the intervals of monotonicity and hencefind the local extrema for the function f(x)=x2-4x+4

Find the intervals of monotonicity and hence
find the local extrema for the function $f (x) = x^{2} - 4 x + 4$

Matching exercise

Match the items on the right to the items on the left.

Step - 1

Step - 2

Step - 3