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What is the bundle of nerves that forms a simple brain called? How do I solve [f(x+3)-f(x)]/[x+3-x] when f(x) = 4-x^2? If the events depicted in the movie Source Code are real, does this make the accumulated error of satellite GPS signals potentially HUGE? Find the median of these five numbers.
(btw this The area of a circle is given by (pi k squared minus twelve pi k plus 36 pie) square inches. What is the radius of the circle?