A if f x 7 xcos 7 x sin 7 x b answer these multiple

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(a) If , f '(x)= $$−7 xcos (7 x )+ sin (7 x ) (b) Answer these multiple choice questions: (1) lim_(x­>0) f(x) = (2) lim_(h­>0) = (3) f '(0)= f ( x ) = x sin( )+ 29 if x 0 29 if x = 0 7 x x 0 Does not exist 29 7 0 ­ f ( h )− f (0) h Does not exist 29 7 0 ­
6/5/2019 hw11S3.4 (4) f(x) is continuous for all x Does not exist 29 7 0 ­
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(5) f(x) is differentiable for all x
6/5/2019 hw11S3.4 9/10 11. 3/6 points | Previous Answers Consider this function y = f(x) on the domain (­ , ). (a) If , f '(x)= $$−2 cos (2 x )+2 xsin (2 x ) (b) Answer these multiple choice questions: (1) lim_(x­>0) f(x) = (2) lim_(h­>0) = (3) f '(0)= f ( x ) = x 2 sin( )+ 14 if x 0 14 if x = 0 2 x x 0 Does not exist 14 2 0 ­ f ( h )− f (0) h Does not exist 14 2 0 ­
6/5/2019 hw11S3.4 (4) f(x) is continuous for all x Does not exist 14 2 0 ­
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(5) f(x) is differentiable for all x True False

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