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Consider the parabola y = 7x - x2.
(a) Find the slope of the tangent line to the parabola at the point (1, 6).
1

  • math -

    1 is not correct.
    Consider f(x)=7x-x²
    f'(x)=7-2x
    at the point (1,6), x=1, so the slope required is f'(1).

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