home *** CD-ROM | disk | FTP | other *** search
/ HamCall (October 1991) / HamCall (Whitehall Publishing)(1991).bin / math / calculas / elem1.pro < prev    next >
Text File  |  1989-05-25  |  337b  |  11 lines
  1.  
  2.                                           2
  3. Plot the functions      2x      and      x   +  1  .
  4.  
  5. Is one of them always greater than the other?
  6.  
  7. Make a conjecture involving these two functions, and an inequality.
  8.  
  9.                                                    2
  10. Prove your conjecture, using the fact that  (a + b)  ≥ 0.
  11.