If #f( x ) = \frac { 2} { x - 7} and g ( x ) = \frac { 4} { 3x }#, what is #( f \circ g ) ( x )#?
1 Answer
Dec 14, 2017
Explanation:
#"to evaluate "(f@g)(x)" substitute "g(x)" into "f(x)#
#rArr2/((4/(3x))-7)#
#=2/(4/(3x)-(21x)/(3x)#
#=2/((4-21x)/(3x))#
#=2/1xx(3x)/(4-21x)#
#=(6x)/(4-21x)#
