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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
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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abb0tBest ResponseYou've already chosen the best response.1
If you plug in 3 for x, you get (3)(3) = 9. add one to that, and what do you get?
 one year ago

abb0tBest ResponseYou've already chosen the best response.1
\[(3)^2 = (3)(3) \] similarly \[(3)^7 = (3)(3)(3)(3)(3)(3)(3) \] and so on.
 one year ago

AGummiBear55Best ResponseYou've already chosen the best response.0
ohhhh... okay. :) Now I get it. Instead of doing (3)(3), I was doing 3^2... duh!!! lol... THANKS!!
 one year ago

AGummiBear55Best ResponseYou've already chosen the best response.0
and then I wasn't adding the 1 on... lol.
 one year ago
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