QUESTION 1 y=x+1 A в R y=7-x Figure 1 . Refer to the Figure 1, given that region R bounded by the curve y = x +1 and the line y = 7-x. (a) Given that point A & B are the intersection points of curve curve y = x² +1 and the line y =7-x. Calculate the coordinate x of point A & B. (b) Hence, write the double integral [[f(x, y) dA with the correct order of integration and R limit of integration.

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