Answer:
cosec²x is the answer
Step-by-step explanation:

5, 10, 15, 20, 5n, 470
You just need to multiply the value by 5.
Answer:
f(-1)=8
Step-by-step explanation:
Just plug in x=-1 into the function:
f(x)=6-2x
y=6-2(-1)
y=6+2
y=8
So f(-1)=8
1. True
2. False
3. False
4. True