Answer:
[tex]\left(7x+11\right)\circ \left(7x+11\right)=-2x[/tex]
Step-by-step explanation:
[tex]\mathrm{Find\:}y\:\circ \:y=-2x\:\mathrm{given}\:y=7x+11,\:y=-2x=2[/tex]
[tex]y=7x+11[/tex]
[tex]y=7x+11[/tex]
[tex]\left(7x+11\right)\circ \left(7x+11\right)=-2x[/tex]
