(a) Find the slope m of the tangent to the curve
y = 7/
x
at the point where x = a > 0.
m =
(b) Find equations of the tangent lines at the points (1, 7) and
4,
7
2
.
y(x)=
(at the point (1, 7))y(x)=
at the point 4,
7
2
+605 (a) \(\frac{d}{dx}7x^{-1}=\boxed{-7x^{-2}}\) by the power rule
I don't understand the other problems 
