[x-0]^2+[y-0]^2=49

y=-(0.75*[x-0]^2)+0-(0.1*[-x]),-1<x<1

[x+6]^2+[y-8]^2=9

[x-6]^2+[y-8]^2=9

[x-0]^2+[y-7]^2<0.5

[x-1.5]^2+[y-7]^2<1

[x+1.5]^2+[y-7]^2<1

y=-(1/4*[x-2]^2)+4,0<x<6

y=-(1/4*[-x-2]^2)+4,0>x>-6

y=[7/36*[x-0]^2-7],-6<x<6

[x-2]^2+[y-0]^2<1,y>0

y=-(3*[x-2]^2)+3,1<x<3

y=-(3*[-x-2]^2)+3,-1>x>-3

[x+2]^2+[y-0]^2<1,y>0

y=7/36*[x-0]^2-5,-3.5<x<3.5

[x-0]^2+[y+2]^2<1.5625

Graph of the formula

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