​ What are the known solutions to f(x)=g(x) ?

Look across the table and see where f(x) = (g(x)    

      at x = -1     f(x) = 1    g(x) = -7     not equal  

                      continue on down the table to find all of the values of x that result in f(x) = g(x)   

                                             ( there are more than one value of x where this is true!)