Created by StemPy LabWhat is the gradient of the normal to the parabola at the point where ?
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← A straight strip of wood rests on a ramp whose profile is the curve y = x² + 2. It touches the ramp at the point (1, 3) and lies along the direction of the ramp there. Which line shows the position of the strip?A wire is bent into the curve y = x³ - 12x. At the point with a positive x-coordinate where the tangent is horizontal, what is the value of y? →
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