- Find the point on the graph of y= x^3+3x^2-9x-12 at which the tangent line is horizontal.?

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How many zeros are in 70 Quantum? H(x) = x2, but moved nine units to the left, seven units upward, and then reflected in the x-axis? If 0.492 g of nitrogen dissolves in 0.490 L of water at 0.512 atm, what quantity of nitrogen (in grams) will dissolve at 1.12 atm? Tan(90-x)=2tan(x), solve for x, in degrees? Describe Newton’s law of gravitation. Please gave an example of this law at work.?