Table A
   ===================================
   z  |  -2  |  0  |  2  |   4  |  6
   ===================================
   w  |   0  |  0  |  1  |   1  |  1

   a.  No or Yes:  Table A can be a function of 'z'?

   b.  No or Yes:  Table A can be a function of 'w'?

   c.  The point (-2, 0) is graphed in what quadrant?

   d.  The point (4, 1) is graphed in what quadrant?


   Table B represents a function named  f
   ======================================
     a   |  -3  |  1  |  0  |   2  |  3
   ======================================
   f(a)  |  -2  |  0  |  1  |  -2  |  1

   e.  The domain of f(a) is what?

   f.  The range of f(a) is what?

   g.  f(-3) equals what?

   h.  f(2) * f(3) equals what?

   i.  f(1) / f(0) equals what?


           (x)^2 + 2(x) + 1
   f(x) = ------------------
          ((x) - 3)(5 - (x))

   j.  f(0) equals what?

   k.  f(-1) equals what?

   l.  What is the domain of f(x)?