Answer:
Meaning of Explicit rule , is the general rule for a sequence.
The given sequence is defined as,
----(1)
Common Difference(d) of an airthmetic Sequence= N th term - (N-1) th term
Equation 1 can be written as,

General rule or explicit rule for this sequence is given as:

Hi there!
Let's break this down:
Two times a number = 2n
Increased by 5 = + 5
is 15 - = 15
Total equation:
2n + 5 = 15
Solving:
2n + 5 = 15
2n = 10
n = 5
Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
Answer:

Step-by-step explanation:

Hey, I believe the answer to the question is A.