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Casio fx-82EX - Using Menus; Menu Operation; Calculation Mode; Selecting Calculation Modes

Casio fx-82EX
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Example 3 : what is the intersection between the two given functions
󰇛
󰇜
 
󰇛
󰇜
  
Steps using calculator: make sure to be in the table mode w8
Q)d+4Q)+4=3Q)+6=p4=4==
In order to locate the intersection point just check the table where 
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So the intersection point is (2,0)
Example 4: For what values of
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 
Steps using calculator: make sure table mode is activated w8
Q)qd==p3=3==
Check the negative values of f(x) from the table with respect to “x”
Domain where f(x) is negative : 󰇟󰇜

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