### Instruction: Consider the function $g(x)=3x-4$.  What is $g(0)$?### Response: To find $g(0)$, I need to plug in $x=0$ into the function and simplify.
So I have $g(0)=3(0)-4$.
That means $g(0)=0-4$, which is just $-4$.
So the answer is $-4$.