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F(x) = 3x + 4; G(x)= 5x - 1
Find (fg)(x).\left( \frac { \mathrm { f } } { \mathrm { g } } \right) ( \mathrm { x } ) .

Question 54

Multiple Choice

f(x) = 3x + 4; g(x) = 5x - 1
Find (fg) (x) .\left( \frac { \mathrm { f } } { \mathrm { g } } \right) ( \mathrm { x } ) .


A) (fg) (x) =3x+45x+1, where x15\left( \frac { f } { g } \right) ( x ) = \frac { 3 x + 4 } { 5 x + 1 } , \text { where } x \neq - \frac { 1 } { 5 }
B) (fg) (x) =5x+13x+4, where x43\left( \frac { f } { g } \right) ( x ) = \frac { 5 x + 1 } { 3 x + 4 } , \text { where } x \neq - \frac { 4 } { 3 }
C) (fg) (x) =5x13x+4, where xz43\left( \frac { f } { g } \right) ( x ) = \frac { 5 x - 1 } { 3 x + 4 } , \text { where } x z - \frac { 4 } { 3 }
D) (fg) (x) =3x+45x1, where x15\left( \frac { f } { g } \right) ( x ) = \frac { 3 x + 4 } { 5 x - 1 } , \text { where } x \neq \frac { 1 } { 5 }

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