13. Find the domain and range of the rational function f(x)
x² - 4x+ 4
D
x-2
R
A. D(-0, -1) U (-1, ) R(-, 4) U (4,-)
B. D(-0, 5) U (5,-) R(-9, -2) U (-2,-)
C, D(-0, 2) U (2, ) R(-O,O) U (0)
DD(-0, 2) U (2, R., 2) U (2)​