g(x)=1/x+2
h(x)=x-1/x2-4
p(x)=√x-1
q(x)=-1/√x+1
r(x)=√x+2/x-1
s(x)=3√2x-1
t(x)=-1/3√2x+3
u(x)=3√x+2/x-3
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