Not sure how to go about this frq :-/

Calculators Allowed 2. R h(x ) -2 I O 2 Let f be the function defined by f (x) = 6 1+x 2 2. Let R be the shaded region bounded by the graph of f and the horizontal line y = 3, as shown in the figure above. (a) Find the area of R. ST(0): 3 ) /dx - 3.425 Write, but do not evaluate, an integral expression for the volume of the solid generated when R is rotated about the horizontal line y = 7. 17 ( 7 ) 2 dx ( 2, 1 ) Let h(x) be the vertical distance between the point (x, f(x)) and the horizontal line y = 3. Find the rate of change of h(x) with respect to x at x = 2. 7 13 32 . 5 7.5 Total: XB =