Answer:
f(n) = 1 + 2(n-1)
Step-by-step explanation:
arithmetic sequence formula:
f(n) = f(1) + d(n-1)
f(1) is the first number in the sequence
d is the common difference
f(1) = 1
d = 2
input the above and you get the explicit formula:
f(n) = 1 + 2(n-1)
