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Type: Posts; User: BusCalc

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  1. Ahh, I see my mistake. I treated (7 - x) as...

    Ahh, I see my mistake. I treated (7 - x) as though x were positive. So the (-1) is used to swap the signs of x and 7.

    Thank you for taking the time to help me out! I really appreciate it.
  2. Limits; (7 - x) / (x - 7) as x approaches 7: How do I SHOW that it's -1?

    Hello, all. I am trying to solve a limit question and although I am aware of the correct answer, I'm not quite sure how to arrive at it.

    For x approaches 7, (7 - x) / (x - 7)

    I know the...
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