Find the domain of the function: a. f(x) = 1/x + 1/x+1 b. g(x) = (2x^2 +5x +3)/ ( 2x^2 -5x -3) c. h(x) = ((4-x)^1/2 + ( x^2 - 1)^1/2 )) / x-2
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a) b) c) Find x.
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