Casio fx-82EX Broszura - Strona 5
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Example 3 : what is the intersection between the two given functions
2
( ) =
( ) = 3 + 6 ℎ − 4 < < 4
+ 4 + 4
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 ( ) = ( )
So the intersection point is (2,0)
3
Example 4: For what values of , ( ) =
, ℎ − 3 ≤ ≤ 3
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 : [−3,0)