Oi
Just calculating the differential. Step by step:

If you want to know where the tangent has no slope:
Answer:
Step-by-step explanation:
I think your answer is y/8. It's a little unusually worded. If this is not correct, please leave a note.
The way I have answered it, I would word it as "What is the quotient of y divided by 8."
Answer:
47/100
Step-by-step explanation:
47 -> 0.47 47/100 = 0.47
Answer:
B plz mrk brainliest
Step-by-step explanation:
1. y = 7
2. 0
3. m = -1
4. k = -4
5. x = -6
6. There is no solution for these equations.
Please let me know if you want explanations/work shown!! Hope this helps :)