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Unattributed TMUA Mock Set B Paper 1 · Q9

Paper 1GeometryAlgebra

The curve CC has equation y=x3−7x−6y=x^3-7x-6. Find the equation of the tangent to CC at the point where CC cuts the positive xx-axis.

Ay=4−4xy=4-4x
By=2x−6y=2x-6
Cy=5x−10y=5x-10
Dy=9x−27y=9x-27
Ey=20x−60y=20x-60

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