3.62: Curve from second derivative; nature; exponential rates

0606/12/O/N/25 — Question 9 · 18 marks

(a)
A curve y=f(x)y = f(x) satisfies f(x)=(2x+5)32f''(x) = (2x + 5)^{-\frac{3}{2}}. The curve has gradient 32\dfrac{3}{2} at (2, 2)(2,\ 2). Find the coordinates of the stationary point on the curve.
[11]
(b)
Determine the nature of this stationary point.
[1]