diketahu f(x)=6x -5 . Nilai f(3a+1) = ...

f(x) = 6x - 5
f(3a+1) = 6(3a+1) - 5
f(3a+1) = 18a+6-5
f(3a+1) = 18a+1

semoga membantu.
ㅡ :)

f(x) = 6x-5
maka,
f(3a+1) = 6(3a+1)-5
f(3a+1) = 18a+6-5
f(3a+1) = 18a+1

Trimakasih, Semoga Bermanfaat.

-Rifandi