Recent content by ABC_123

  1. A

    High School Parent Functions of Rational Functions

    what is the precise definition of "parent functions" ? I know that : f(x)=x ,f(x)=x^2 , f(x)=sqr(x) , f(x)=1/x , f(x)=|x| are parent functions but what about Rational functions? what is the parent function of the Rational functions ?
  2. A

    How to create a hard graph easily?

    y(1-a)= x(1+a) so .. ?
  3. A

    How to create a hard graph easily?

    I didn't understand ! :( Can you explain it more simply ?
  4. A

    How to create a hard graph easily?

    Sorry,I'm not sure that the correct answer is (E) :(
  5. A

    How to create a hard graph easily?

    http://im16.gulfup.com/2012-03-07/1331125411751.png I know the answer is (E) , but HOW ?