how would i graph this piecewise function ? f(x) = x^2 + 7 , x<1         x^2-5x+6,  x>= 1

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Graph x^2+7 for x = 1all of the values to the right of it and then put an open circle there.  Then, graph x^2-5x+6 for x =1 and all of the values to the left, but put a closed circle at x = 1.