Di ketahui fungsi f(x) = 3x-1 dan fungsi g(x) = 2x per x-4 maka nilai dari (gof)(-2)=

[tex] \frac{2x}{x - 4} = \frac{2(3x - 1)}{(3x - 1) - 4} \\ \frac{6x - 2}{3x - 5} \\ maka \: ( - 2) = \frac{6( - 2) - 2}{3( - 2) - 5} \\ = \frac{ - 14}{ - 11} \\ = \frac{14}{11} [/tex]

gof(-2)
= g(f(-2))

f(-2)
= 3(-2) - 1
= -7
g(-7)
= 2(-7) / (-7-4)
= (-14)/(-11)
= 14/11