February 27, 2017

Homework Help: Math

Posted by Sarah on Saturday, September 25, 2010 at 8:08pm.

Mathmate, I really appreciate all your help regarding my composite function question below but I'm still in need of your help. I don't understand how the range of x^2-x+1 is R. Isn't this a parabola with a minimum for y? Also, I understand minimum and maximum values of sine but I don't know how to apply in my question. Again, many thanks for helping me out with this 'cause it's really bugging me.

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