# calculus

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

• calculus - garbled -

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

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