Posted by Liz on Thursday, August 16, 2012 at 2:23am.
If your expression mean :
f ( x ) = 7 / ( x - 1 )
then :
x = 0
f ( 0 ) = 7 / ( 0 - 1 ) = 7 / - 1 = - 7
x = 1
f ( 1 ) = 7 / 1 - 1 ) = 7 / 0 = infinity
x = 2
f ( 2 ) = 7 / ( 2 - 1 ) = 7 / 1 = 7
x = 3
f ( 3 ) = 7 / ( 3 - 1 ) = 7 / 2 = 3.5
x = 4
f ( 4 ) = 7 / ( 4 - 1 ) = 7 / 3 = 2.3333..
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