geoblobfrey
geoblobfrey
28-04-2017
Mathematics
contestada
how do I solve this?
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dmisael
dmisael
03-05-2017
f(x)=(1/2)x^2-7. Multiply everything by 2 so x^2-14. Move 14 over. X^2=14. Take the square root on both sides. X=14^1/2. Since you can't simplify it, that would be the answer.
It could also be -14^1/2
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