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| PAGE: 106 | SET: Exercises | PROBLEM: 1 |
Let 
be a point on the 
.
(a) Express the distance 
from 
to origin as a function of 
.
Substitute in 
.
.
(b) What is if 
.
Substitute 
in 
.
.
(c) What is 
if 
.
Substitute 
in .
.
(d) Graph the function .
Graph of :
(e) Find values of is smallest
Plot the local minimum points on the graph of .
Observe the graph:
The local minimu points are 
.
is smallest when 
or 
.
(a) .
(b) .
(c) .
(d) Graph of :
(e) is smallest when 
or 
.
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