Which graph represents the function of f (x) = the quantity of 4 x squared minus 4 x minus 8, all over 2 x plus 2?

The graph from following expression given above is a linear plot using MS excel. This plot makes sense as the denominator is a factor of the numerator. This means the degree of the numerator is reduced to a single degree making a linear plot. The plot's equation is y = 2x-4