Chapter 4 Review:
(deliberately not including questions that require Chapter 4.8 or 4.9):
I'm recommending (but not requiring) the Concept Check questions #1,2,33,5,6,7,8
and also the True/False Quiz except #18

6
9
10
11
18 (though part d is optional, related to Chapter 4.9; give it a shot!)
46
51 (important in "orthogonal regression")
57
59
83a
84

Questions related to 4.9:
65 f' = cos(x) - (1-x^2)^(-1/2)
67 f' = sqrt(x^3) + cuberoot(x^2)
70 f'(u) = (u^2 + sqrt(u))/u
74 a(t) = sin t + 3 cos t,  s(0)=0,   v(0)=2