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If and , write an equation for .

  1. Graph and write its domain in set notation.

    Decreasing line, passing through the points, (0, comma 3), & (3, comma 0), with open point at, (negative 1, comma 4).

  2. Write an equation the end-behavior function of .

    The end behavior of will describe what looks like in the end (as and as ). Holes and vertical asymptotes are ignored. Observe the graph in part (a). Notice that the graph of is almost linear. What is the equation of this line? That line, by the way, is , the end behavior of .