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AGummiBear55 Group Title

If f(x) = x2 + 1, find f(3). Everytime I do this problem I get 8, but I know that's wrong because my answer choices are: 10 7 4 2

  • one year ago
  • one year ago

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  1. abb0t Group Title
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    If you plug in 3 for x, you get (3)(3) = 9. add one to that, and what do you get?

    • one year ago
  2. abb0t Group Title
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    \[(3)^2 = (3)(3) \] similarly \[(3)^7 = (3)(3)(3)(3)(3)(3)(3) \] and so on.

    • one year ago
  3. AGummiBear55 Group Title
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    ohhhh... okay. :) Now I get it. Instead of doing (3)(3), I was doing 3^2... duh!!! lol... THANKS!!

    • one year ago
  4. AGummiBear55 Group Title
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    and then I wasn't adding the 1 on... lol.

    • one year ago
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