6 . Consider the graph of the function
1�8x f( x)
� , 2 � 7x
2 x � .
7
( a ) Write down the equation of the horizontal asymptote .
( b ) Write down the range of f( x ).
( c ) Let g( x)
1 2
2
� x . Find the range of values of x such that f ( x) g( x)
� .
[ 2 ]
[ 1 ]
[ 3 ]
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