11 - Herricks

£'(3.5) =-1 True 2 f f(x) dx = i-1 22. C p.104 g(x) = {X (x _1)2/3 g'(x) = 2~(x _1)2/3 + ~ (x _1)-1/3 {X x must be positive (so that 1,-exists). 2'1 x x must not equal 1 (so that (x _lr1/3 exists). The domain is { x I x > 0 and x::F 1}= {x I 0 < x < 1 or x > 1 }. 23. D p.104 x(t) = lOt - 4t2 x'(t) = 10 - 8t x'(t) > 0 if t < t. The point is ... ................
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