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 #4
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AWESOMEEE....just do what  rosala   said for part a

 

For part b,  if x = (-1/2) , the denominator of 2x + 1  would equal 2(-1/2) + 1   = -1 + 1  = 0  .......and we can't divide by 0  !!!!!

 

 


Jun 30, 2015

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