William+L.

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Reverse Parabola: y=-(x^2) Domain: (-inf, +inf) Range: (-inf, 0) Symmetry: even across y-axis Example: y=-(2^2)=-(4)=-4 y=-(-2^2)=-(4)=-4 Continuous End behavior: lim f(x) = -inf x --> -inf lim f(x) = -inf x --> inf