Question: The line 3x + y = 17 intersects the curve y = x + 2x 7 at the point P(3, 8) and the point

The line 3x + y = 17 intersects the curve y = x² + 2x − 7 at the point P(3, 8) and the point Q.

a) Find the coordinates of Q.

b)
Find the exact length of the line PQ.

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