Question: Let g(x) = √x and f(x) = kx2, where k is a constant.
(a) Find the slope of the tangent line to the graph of g at the point (4, 2).
(b) Find the equation of this tangent line.
(c) If the graph of f contains the point (4, 2), find k.
(d) Where does the graph of f intersect the tangent line found in part (b)?