Mathematics

Mathematics

Problem

If f(x)=x2−4x+3f(x)=x^{2}-4x+3 and g(x)=xg(x)=\sqrt{x}, then the domain of g∘fg\circ f is a) (1,3)(1,3) b) (−∞,1]∪[3,∞)(-\infty,1]\cup[3,\infty) c) [0,∞)[0,\infty) d) (−∞,1)∪(3,∞)(-\infty,1)\cup(3,\infty)

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