Graph the rational function. \[ f(x)=\frac{-4}{-x-4} \] Start by drawing the vertical and horizontal asymptotes. Then
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To graph the function \( f(x) = \frac{-4}{-x-4} \), we first identify the asymptotes. The vertical asymptote occurs where the denominator is zero, which is at \( -x - 4 = 0 \), or \( x = -4 \). The horizontal asymptote is determined by the degrees of the numerator and denominator; since both are constant terms, the horizontal asymptote is \( y = 0 \) as \( x \) approaches infinity. Next, we can analyze the behavior of the function around the asymptotes. As \( x \) approaches \( -4 \) from the left, \( f(x) \) tends to positive infinity, whereas from the right, it will tend to negative infinity. For a complete picture, don't forget to sample points in other regions: try \( x = 0 \) and \( x = -5 \) to see how the curve behaves!
