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Match the following Consider the parabola `f(x)=x^2+k x+4` Column I Column II Curve intersects the x-axis for p. `k in (-oo,-4)uu(4,oo)` Curve touches the x-axis for q. `k in (-4,4)` Curve neither intersect nor touches the x-axis for r. `k in {-4,4}` `f(x)>0AAx in R` for

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