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Find the slope of the tangent line to the parabola y=4x-x^2 at the point (1,3)

User Zyga
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1 Answer

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y=4x - x²
dy/dx = 4-2x
dy/dx | x=1 : 4-2(1) = 4-2= 2
gradient= 2
User Syed Qamar Abbas
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