The range of the function g(x) = 2/(4 + 2x^2) can be written as an interval (a,b]. What is a + b?
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\(g(x) = \dfrac{2}{4+2x^2}\)
\(R=b-a\\ b=0.5\\ a\approx 0\ |\ a>0\\ a+b\approx 0.5\ |\ >0.5\)
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