1. Rate of change is 2/5
2. Rate of change is 1.5
3. Rate of change is -1x
4.Rate of change is 1/4
What I think is the answer to your question is -0.5:17, i guess. I'm not very sure if you wanted the answer this way or another way, so I just did it my way.
Answer:
Step-by-step explanation:
I think you need to multiply 4 1/2x3 and 2 1/2x4 and then when you get the answers for both you add them together hopefully this works