Compute dxdy at x=2 for each curve.
A: y=x3−x⇒y′=3x2−1=11 at x=2 (List II value 11 is at row III).
B: y=(x−2)2⇒y′=2(x−2)=0 at x=2 (value 0 at row IV).
C: y=2x2+3⇒y′=4x=8 at x=2 (value 8 at row I).
D: y=4x+1−7⇒y′=4x+12=32 at x=2 (value 2/3 at row II).
Match: A-III, B-IV, C-I, D-II.