f(x)=x²-4x+2
-5-4-3-2-1
Y
15+
3+
2
1-
-1+
-2+
-3+
-4+
-5+
2 3
4 5
x
Consider the function shown. How can you restrict the
domain so that f(x) has an inverse? What is the
equation of the inverse function?
O x2-2; f(x) = 2 -√x+4
O x2-2; ¹(x) = 2 + √x+2
0x22; -¹(x) = 2 -√x+4
O x ≥ 2: f¹(x) = 2+√x+2