Consider the parabola y = 7x - x2.

Question

(a) Find the slope of the tangent line to the parabola at the point (1, 6).
1

Answer 1

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).