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That answer is wrong because 3sqrt4^2 is not equal to 2. 

Did you know that I am not even 11 years old? Also, Im just doing what I am suppose to do as an answerer. I think that you said that I am misleading, and that they are copying my work. Who in the world cares? They are just hurting themselves, not us. We might not get anything benificial, but I do this for fun. 

I'm not even 11 bro. 

The answer is -10 because if you want to find f(2), x must be -1. Then, we make all x's -1, and we get 1 - 4 - 7, so the answer is -10. 

Turn this into 32 / 6 - 27 / 6, so it is 5 / 6

To calculate the top semi-circle, we see that the length of it is 2 + 3 + 2 + 5, which is 12. Then, we find the area, which is 144pi.  Divided by two, and we get 72 pi. The other semi circle's length is 3 + 7, or 10. The area of the entire circle is 100pi. The semi-circle is therefore 50pi. Then, we add the remaining pieces, which is (2 + 3 + 4) · 3, or 27. Then, we add the remaining rectangle, which is 3 · 2, or 6. We add the 4 areas, which is 72 pi + 50 pi + 27 + 6, or 33 + 122 pi. If you want the answer as a decimal, we can translate pi into 3.14, so the answer is 33 + 3.14(122), or 416.08.