Respuesta :
plug in the -1 to x. you should get f(x)=2(-1)+2. Then you should get -2+2 which is 0. Id honestly say no solution. Hope i helped
f(x)=2x+2
f(-1)=2*(-1)+2 this could also be written as y=2*(-1)+2 because f(x)=y
f(-1)=0
