8.(2023•渝中区校级一模)已知集合P={(x,y)∣y=2x}P=\{(x,y)\vert y=2^{x}\}P={(x,y)∣y=2x},Q={(xQ=\{(xQ={(x,y)∣x2+(y−1)2=0}y)\vert x^{2}+(y-1)^{2}=0\}y)∣x2+(y−1)2=0},则P⋃Q=(P\bigcup Q=(P⋃Q=( )))