Answer:
(D)
Explanation:
You can input any value for x and the result will be a real number
It’s either A or E most scientist try to come up with a logical explanation when it comes to nature and why it happens in nature I’m going to say it’s E because they can’t just have a final answer there more and likely going to come up with a rational person explanation
The answer is C, they show info about years in the past, present and future, ask your teacher or any website and they can show you a line graph. :)
Lower pitch and longer wave