If f(x)=2/(x-3),g(x)=(x-3)/(x+4) , and h...

If `f(x)=2/(x-3),g(x)=(x-3)/(x+4)` , and `h(x)=-(2(2x+1))/(x^2+x-12)` then ` lim_(x->3)[f(x)+g(x)+h(x)]` is (a) `-2` (b) `-1` (c) `-2/7` (d) `0`

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