- The graph of f has a horizontal tangent line at x=- How do I solve this please :)?

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What is the formula weight of acetic acid, CH3COOH, which is found in vinegar? If extraterrestrials exist, would they most likely be on a very old planet like Jupiter or very young planet like Earth? Can momentum exist without a mass, if photon particle of light have no mass or volume how can they have momentum? Do bears hibernate in zoos? So, Zinc reacts with Sulfuric acid (H2SO4) to form Zinc Sulfate (ZnSO4).
So, what word equation and symbol equation for the reaction?