Graph f(x) = \xi.
Click on the graph until the graph of f(x) = \xi appears.

The graph of IxI is:

y = x for values of x ≥ 0

y = -x for values of x ≤ 0

Then you will see a "V", with the arms pointing up and the vertex in the point (0, 0)

(Something like in the image, but with the arms pointing upside instead of downside)

The actual graph is:

19.side- angle- side

20. angle- side- angle

step-by-step explanation:

answer: it's a

step-by-step explanation: