1. Fill in the following table of values:

   x	-3	-2	-1	0	1
   f(x)

2. On which of the following intervals does the Intermediate Value Theorem say that f(x) has a real zero?
   • between -3 and -2
      
   • between -2 and -1
      
   • between -1 and 0
      
   • between 0 and 1
      
3. (Optional) If you have a graphing calculator, graph the function  f(x) = x³ + 3x² - 1.

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