3. Write f(x) = x - 2 as a piecewise function.
O
x2, x
2
f(x)
x2, x
2
x2, x 0
f(x)
-x+2, x < 0
2.0
f(x) =
-x2, x < 0
x2, x 2
>
f(x) =
-x+2, x < 2