Answer:
5+9+-23
Step-by-step explanation:
You didn't describe the situation so I can't answer.
However: if the graph of the situation is a straight line then the situation is linear, and if the graph is not a straight line then it is nonlinear.
Answer:
The third one
Step-by-step explanation:
Answer: g(f(x)) = g(x²-7)=x
Step-by-step explanation: