Answer:
an = 4n +5
Step-by-step explanation:
First we need to find a common difference
d = a2-a1 = 13-9 = 4
The formula for an
an =a1+d(n-1)
an = 9 + 4(n-1)
Distributing
an = 9+4n-4
Combine like terms
an = 4n +5
Answer:
0.5184
Step-by-step explanation:
hope this helps!!!
Answer:
Is this even math
Step-by-step explanation:
No it isn’t
Just ask a forum or something and not an education site lol