Let f x   coth x . Use the Graph software posted in Moodle to do the following:

Question

(a) Graph f x  .
(b) Graph the tangent and normal lines to the graph of f x  at x 1.
(c) Graph f x  .
(d) From the graphs obtained in parts (a) – (c), answer the following questions
(i) lim  
x
f x
 
(ii) lim  
x
f x
 
(iii)  
0
lim
x
f x


(iv)  
0
lim
x
f x


(v) explain why f x  is not differentiable at x  0

Answer 1

better try just typing in the text, rather than copying from you application.