You can use for example

. I have graphed it there : <u>https://www.desmos.com/calculator/othuxmqqyj
</u>A and B : f is always decreasing except in 4 where it is not defined
C,D :
Answer:
The answer to your question is: 
Step-by-step explanation:
√24+4√54



Answer:
(7x-2y)(a-b) Here is the answer!
Step-by-step explanation:
Your welcome btw! :D
Answer:
maryland
Step-by-step explanation:
Answer: simple random sampling
Step-by-step explanation:
- A simple random sampling is a sampling method in which individuals are chosen randomly from the population. In this each individual has equal chances to get selected.
- If N is the population size , then for any individual , the chances for getting selected is
.
As per given , the company randomly selects 50 customers directly from the database without applying any further steps and asks them about their level of satisfaction with the company.
Thus , the sampling technique used here is simple random sampling.