ALGEBRA 1: HELP ME PLEASE 20POINTS

When a value for x is put into the machine, a value for y comes out. That output then becomes the input for another machine. An example is shown at the bottom.
What is the output from the second function machine? Explain.

ALGEBRA 1 HELP ME PLEASE 20POINTSWhen a value for x is put into the machine a value for y comes out That output then becomes the input for another machine An ex class=